Pro circuit exhaust

Pro circuit exhaust DEFAULT

I stuck with the “TP 3.0” and “Exciting Power Character” maps on the FMF 4.1 system and that let me choose what kind of power delivery I needed at any given time of the day. With those maps and the 4.1 system you can control the power a little more down low and allow the Yamaha to have a more linear feel in second and third gear. The FMF 4.1 system has a larger muffler opening when you un-box it so make sure not to throw away your insert/spark arrestor screen that FMF includes in the box. If you think you want a little more excitement (bottom end) back into your YZ450F, simply install the insert (with the screen) and the Yamaha will get more back pressure and some more connection/bottom end pull/low rpm response, but you will lose a little of that mid range free feel that you gained.  

Up on top end the FMF pulls harder than the stock system, but falls a little short when it comes to the over-rev department. The 4.1 accepts short shifting, so if you’re like me and love to get into third gear as soon as you can, the FMF does accept that third gear shift a little earlier than stock as well. I like that FMF keeps evolving their systems with each passing model year and to me the 2020 system has some added mid range pulling power that the 2019 didn’t. The FMF 4.1 Ti muffler system will save you 1.5 pounds over stock and the cost of the FMF 4.1 titanium system runs $1099.99. You can go to fmfracing.com to get yours.


Pro Circuit Vs. FMF: 

Let me start off by saying that these are two muffler systems (for this model) that will rival or surpass (in spots) the stock system’s performance. That’s not easy to do! Some muffler manufacturers have better performance or have come up with a better setting for certain models and Pro Circuit as well as FMF have done a great job with their 2020 YZ450F system. The Pro Circuit has a little more throttle to rear wheel connection down on low end, but the FMF pulls stronger through the mid range. Up on top end both seem on par with each other and of course both have less over-rev than the stock muffler. I can lug the YZ450F in third gear more with the Pro Circuit muffler, but the FMF has more of a free feeling to it when higher up in the rpm range. These muffler systems are close in comparison to one another and offer the rider a different power curve than stock that is actually beneficial to the Yamaha YZ450F rider. 

Results:

Bottom End Pull: Pro Circuit

Mid-Range Pull:  FMF

Top End Pull:      FMF/Pro Circuit

Over-Rev:   Stock

Bottom End RPM Response: Stock

Mid RPM Response: Pro Circuit

Top End RPM Response: FMF 

Best Looking: FMF

Stock Heat Shield Mounting: FMF, Yes/Pro Circuit, No

Sours: https://www.keeferinctesting.com/offroad-testing/2019/11/25/fmf-vs-pro-circuit-2020-yamaha-yz450f-muffler-comparison
Pro Circuit T-4GP Full Exhaust For Honda CRF450R 4H09450-GP

 

Pro Circuit Ti-4GP Full System Exhaust Honda CRF-250R 4H04250R-TI-GP

Pro Circuit - Exhaust

$849.95See Details

The Pro Circuit Ti-4GP Complete System is designed as a total performance exhaust system. This exhaust system has been dyno and track tested by riders like James Stewart, Ricky Carmichael and Ryan Villopoto as a no-compromise full-race exhaust. The ultra-lightweight titanium Ti-4GP is Pro Circuit's premium exhaust system and it includes their titanium header pipe. The Ti-4GP exhaust will boost performance from bottom all the way to the top end, making it easier to ride and lowering lap times. The silencer can is easily repacked simply by removing the inlet cap screws and re-wrapping the...

Pro Circuit T-4GP Full Exhaust For Honda CRF450R 4H09450-GP

 

Pro Circuit TI-4GP Full System Exhaust Honda CRF450R 2007-2008 4H08450-TI-GP

Pro Circuit - Exhaust

$899.95See Details

The Pro Circuit Ti-4GP Complete System is designed as a total performance exhaust system. This exhaust system has been dyno and track tested by riders like James Stewart, Ricky Carmichael and Ryan Villopoto as a no-compromise full-race exhaust. The ultra-lightweight titanium Ti-4GP is Pro Circuit's premium exhaust system and it includes their titanium header pipe. The Ti-4GP exhaust will boost performance from bottom all the way to the top end, making it easier to ride and lowering lap times. The silencer can is easily repacked simply by removing the inlet cap screws and re-wrapping the...

Pro Circuit T-4GP Full Exhaust For Honda CRF450R 4H09450-GP

 

Pro Circuit Ti-4GP Full System Exhaust For Suzuki RMZ-250 07-09 4S09250-TI-GP

Pro Circuit - Exhaust

$949.95See Details

The Pro Circuit Ti-4GP Complete System is designed as a total performance exhaust system. This exhaust system has been dyno and track tested by riders like James Stewart, Ricky Carmichael and Ryan Villopoto as a no-compromise full-race exhaust. The ultra-lightweight titanium Ti-4GP is Pro Circuit's premium exhaust system and it includes their titanium header pipe. The Ti-4GP exhaust will boost performance from bottom all the way to the top end, making it easier to ride and lowering lap times. The silencer can is easily repacked simply by removing the inlet cap screws and re-wrapping the...

Pro Circuit T-4GP Full Exhaust For Honda CRF450R 4H09450-GP

 

Pro Circuit Ti-4GP Full System Exhaust Yamaha YZ450F 06-9 4Y09450-TI-GP

Pro Circuit - Exhaust

$949.95See Details

The Pro Circuit Ti-4GP Complete System is designed as a total performance exhaust system. This exhaust system has been dyno and track tested by riders like James Stewart, Ricky Carmichael and Ryan Villopoto as a no-compromise full-race exhaust. The ultra-lightweight titanium Ti-4GP is Pro Circuit's premium exhaust system and it includes their titanium header pipe. The Ti-4GP exhaust will boost performance from bottom all the way to the top end, making it easier to ride and lowering lap times. The silencer can is easily repacked simply by removing the inlet cap screws and re-wrapping the...

Pro Circuit Ti-4R Exhaust Full System Stainless Steel For Husqvarna TC250 10

 

Pro Circuit Ti-4R Exhaust Full System Stainless Steel For Husqvarna TC250 10

Pro Circuit - Exhaust

$999.95See Details

Top-of-the-line performance and power Tapered headpipe for better overall power from bottom to top end Specially designed mounting bracket for increased strength and durability Internal design reduces noise output; meet 94 dB AMA and FIM sound limits Welded end cap design Ti-4R features titanium construction for extreme light weight Silencer and end cap graphics Please Note: The image displayed is representative of the item, but may vary depending on your specific model.

Pro Circuit Ti-4R Full System Exhaust Honda CRF-450R 09 4H09450-TI-4R

 

Pro Circuit Ti-4R Full System Exhaust Honda CRF-450R 09 4H09450-TI-4R

Pro Circuit - Exhaust

$999.95See Details

Pro Circuit has designed the brand-new Ti-4R four-stroke race exhaust system for all current model race bikes. The Ti-4R, which was developed over the last couple AMA National and Supercross seasons, features internal design changes that reduce noise and improve power delivery from bottom to top. The titanium head pipe and silencer canister guarantee extreme light weight, while Pro Circuit' unparalleled performance and craftsmanship continue to set new industry standards. To complete the package, Pro Circuit designed a CNC-machined billet-aluminum mounting bracket to increase durability and...

Pro Circuit Ti-4R Full System Exhaust Honda CRF-450R 09 4H09450-TI-4R

 

Pro Circuit Ti-4R Full System Exhaust For Suzuki RMZ-250 07-09 4S09250-TI-4R

Pro Circuit - Exhaust

$999.95See Details

Pro Circuit has designed the brand-new Ti-4R four-stroke race exhaust system for all current model race bikes. The Ti-4R, which was developed over the last couple AMA National and Supercross seasons, features internal design changes that reduce noise and improve power delivery from bottom to top. The titanium head pipe and silencer canister guarantee extreme light weight, while Pro Circuit' unparalleled performance and craftsmanship continue to set new industry standards. To complete the package, Pro Circuit designed a CNC-machined billet-aluminum mounting bracket to increase durability and...

Pro Circuit T-4 Muffler For Honda Rancher 350 4x4 4QH06350

 

Pro Circuit T-4 Exhaust System For Kawasaki Brute Force 750 4QK05750

Pro Circuit - Exhaust

$499.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Motocross Offroad Exhaust System For Kawasaki KFX-90 4QK07090

Pro Circuit - Exhaust

$279.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 4-Stroke Offroad Exhaust System Yamaha TTR-110 2008-09 4Y08110

Pro Circuit - Exhaust

$264.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Offroad Exhaust System For Yamaha TTR-125 2000-14 4Y00125

Pro Circuit - Exhaust

$264.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Exhaust System For Yamaha TTR-90 4Y00090

Pro Circuit - Exhaust

$264.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-450R 4QK08450

Pro Circuit - Exhaust

$699.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

Pro Circuit - Exhaust

$279.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System 4-Stroke Offroad Exhaust Honda CRF-150F 2003-05

Pro Circuit - Exhaust

$299.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System Exhaust Kawasaki KLX-110 Suzuki DRZ-110 4K02110

Pro Circuit - Exhaust

$264.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System Exhaust Kawasaki KLX-125 Suzuki DRZ-125 4S03125

Pro Circuit - Exhaust

$249.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System Exhaust For Suzuki DR-250 DR-350 90-99 4S90250

Pro Circuit - Exhaust

$499.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 Full System Exhaust ATV Kawasaki KFX-50 4QK07050

 

Pro Circuit T-4 Full System 4-Stroke Offroad Exhaust for Honda CRF150F 2006-09

Pro Circuit - Exhaust

$299.95See Details

The Pro Circuit T-4 system is an aluminum and stainless replica of Pro Circuit's more-exotic titanium Ti-4 exhaust Although the T-4 is slightly heavier than the Ti-4, it still offers a considerable weight savings when compared to the OEM exhaust system This exhaust system is ideal for a racer on a budget that is not willing to compromise on performance The only difference between Pro Circuit's T-4 and Ti-4 is that high-quality stainless steel replaces the Ti- 4 titanium The T-4 comes complete with a stainless head pipe that works in conjunction with the muffler to produce more power from...

Pro Circuit T-4 GP Low Boy Exhaust System Yamaha WR250R 2008-2010

 

Pro Circuit T-4 GP Offroad Low Boy Exhaust System for Yamaha WR250R 250X 2008-10

Pro Circuit - Exhaust

$779.95See Details

Complete systems from front to back Feature an aluminum canister and high-grade stainless steel mid-pipe Packed with performance features tailored to the demands of serious racers and developed to lower and centralize the machine's center of gravity, which improves handling and critical clearance In addition to an instant hook-up under power, the system also offers huge horsepower gains across the rpm range Each has been rigorously track- and dyno-tested to yield peak performance Fits the following Yamaha models: WR250R 2008-2010 WR250X 2008-2010

Pro Circuit Platinum Exhaust Pipe For Suzuki RM-85 02-09 PS02085P

 

Pro Circuit Platinum 2-Stroke Offroad Exhaust Pipe Yamaha YZ-85 02-09 PY02085P

Pro Circuit - Exhaust

$229.95See Details

The Platinum pipe is designed after Pro Circuit's world famous "Works" pipe It offers the same performance gains, while the Platinum finish reduces rider maintenance and helps protect the pipe from nature's elements The Platinum pipe is the ideal choice for people who race or ride in extreme weather conditions Rugged exhaust pipe inspired by Pro Circuit's "Works" systems High-quality carbon steel construction for exceptional fit and performance Hand-welded and pounded seams, CNC-machined exhaust flange and reinforced mounting brackets and stinger for increased strength and durability Please...

Pro Circuit Platinum Exhaust Pipe For Suzuki RM-85 02-09 PS02085P

 

Pro Circuit Platinum Motocross Offroad Exhaust Pipe KTM 125 SX 2000-03 PT00125P

Pro Circuit - Exhaust

$239.95See Details

The Platinum pipe is designed after Pro Circuit's world famous "Works" pipe It offers the same performance gains, while the Platinum finish reduces rider maintenance and helps protect the pipe from nature's elements The Platinum pipe is the ideal choice for people who race or ride in extreme weather conditions Rugged exhaust pipe inspired by Pro Circuit's "Works" systems High-quality carbon steel construction for exceptional fit and performance Hand-welded and pounded seams, CNC-machined exhaust flange and reinforced mounting brackets and stinger for increased strength and durability Please...

Pro Circuit Platinum Exhaust Pipe For Suzuki RM-85 02-09 PS02085P

 

Pro Circuit Platinum Motocross Offroad Exhaust Pipe KTM 125 SX 2004-06 PT04125P

Pro Circuit - Exhaust

$239.95See Details

The Platinum pipe is designed after Pro Circuit's world famous "Works" pipe It offers the same performance gains, while the Platinum finish reduces rider maintenance and helps protect the pipe from nature's elements The Platinum pipe is the ideal choice for people who race or ride in extreme weather conditions Rugged exhaust pipe inspired by Pro Circuit's "Works" systems High-quality carbon steel construction for exceptional fit and performance Hand-welded and pounded seams, CNC-machined exhaust flange and reinforced mounting brackets and stinger for increased strength and durability Please...

Pro Circuit Platinum Exhaust Pipe KTM 144 SX 150 SX 08-09

 

Pro Circuit Platinum Exhaust Pipe KTM 144 SX 150 SX 08-09

Pro Circuit - Exhaust

$239.95See Details

The Platinum Pipe from Pro Circuit is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding Unique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic look Nickel plating also increases part life 2-10 times Stamped AKDQ high-quality carbon steel construction for exceptional fit and performance Hand-welded and pounded seams Embossed nameplate and CNC-machined exhaust flange Reinforced mounting brackets and stinger for increased strength and durability Fits the following KTM models: 144...

Sours: https://www.ridersdiscount.com/brands/pro-circuit/exhaust?page=2
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Pro Circuit Releases 2021 Honda CRF450R Exhaust

CORONA, California—Pro Circuit is excited to announce the T-6 and Ti-6 line of exhaust systems are available for the brand new 2021 CRF450R model. Proudly designed and manufactured in the USA, the new line of exhaust systems for the CRF450R continues with improved performance Honda riders have come to know. Whether you plan to ride off-road or race on a motocross track, Pro Circuit has the performance exhaust you're looking for to tackle the trails or power through some deep ruts towards the checkers.

Pro Circuit. We Race.

The Ti-6 Pro Titanium Exhaust System is designed for the AMA Pro racer competing in AMA/Monster Energy Supercross or the Lucas Oil Pro Motocross Championship series. Engineered to meet strict AMA/FIM sound regulations, the Ti-6 Pro system provides superior performance while complying with the series’ sound regulations. The Ti-6 Pro exhaust system is constructed from high-grade titanium throughout with a carbon fiber end-cap for a factory look. Top pro level teams look to Pro Circuit for products that win.

The Ti-6 Titanium Exhaust System is designed for both closed-course and off-road racers. It's the ideal system for AMA Amateur events or any rider or racer looking for winning performance, legendary durability and a professional look. The Pro Circuit Ti-6 System is equipped with a removable USFS approved spark arrestor, making it easy to alternate between off-road and closed-course racing.

The T-6 Stainless Steel Exhaust System is designed for both closed-course and off-road competition. Constructed from high strength stainless steel and aluminum, the T-6 offers the same improved performance as our Ti-6 System. The T-6 System is a great way for riders or racers looking for winning performance, legendary durability and a professional look but at a lower price. In addition, the T-6 System is equipped with a removable USFS approved spark arrestor making it easy to alternate between off-road and closed-course racing.

The T-6 Stainless Steel Slip-On Silencer is for riders looking for an inexpensive, easy-to-install, durable performance silencer that can bolt right onto their stock head pipe. The T-6 Slip-On is constructed of stainless steel and high quality aluminum for increased durability. The T-6 Slip-On is a great option for any rider looking for an increase in performance on a small budget. A removable USFS approved spark arrestor is included to make it easier to alternate between off-road and closed-course racing.

Ti-6 Pro/Ti-6 Features Include:

  • Improved performance
  • Lighter weight than OEM system
  • High-grade titanium material used throughout
  • Carbon fiber end-cap
  • Machined aluminum muffler bracket for increased strength and durability
  • Asymmetrical muffler design allows for increased packing volume
  • Removable USFS approved spark arrestor (Ti-6 System only)
  • TIG precision welding
  • Made in the USA

T-6/T-6 Slip-On Features Include:

  • Improved performance
  • Stainless steel end-cap
  • Aluminum canister
  • Machined aluminum muffler bracket for increased strength and durability
  • Asymmetrical muffler design allows for increased packing volume
  • Removable USFS approved spark arrestor
  • TIG precision welding
  • Made in the USA    

Please visit www.procircuit.com for more information on this and other Pro Circuit products.

Sours: https://racerxonline.com/2021/02/12/pro-circuit-releases-2021-honda-crf450r-exhaust
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