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Pro Circuit Exhaust

Pro Circuit
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Pro Circuit Ti-4R Replacement Silencer Canister
SALE! Save 9%!
Our Price:  $389.99
Retail Price:  $429.99
You Save:  $40.00

Pro Circuit Ti-4R Replacement Silencer Canister

The Ti-4R Race Silencer is constructed from titanium and is designed for closed course competition ONLY. Pro Circuit constructed the Ti-4R exhaust with closed course features to maximize its power output potential. Keeping weight ...


Dirt Bike    Exhaust
 
Pro Circuit Modular Quiet Tip - 3.5
Our Price:  $24.99

Pro Circuit Modular Quiet Tip - 3.5" Base

Modular Cap Insert 1.50" Tip and 3.50" Base.


Dirt Bike    Exhaust
 
Pro Circuit Stainless Steel End Cap Insert
Our Price:  $29.99

Pro Circuit Stainless Steel End Cap Insert

Pro Circuit stainless steel quiet inserts are available in multiple sizes to make your motorcycle quieter, without the loss of power. These inserts are a direct ...


Dirt Bike    Exhaust
 
Pro Circuit Billet Quiet End Cap
SALE! Save 10%!
Our Price:  $89.99
Retail Price:  $99.99
You Save:  $10.00
Rating: 

Pro Circuit Billet Quiet End Cap

Sold as a kit with a stainless quiet insert. The stainless quiet insert is available in multiple sizes to make your Motorcycle, ATV, Side x Side quieter, without the loss ...


Dirt Bike    Exhaust
 
Pro Circuit Modular Quiet Tip - 4
Our Price:  $24.99

Pro Circuit Modular Quiet Tip - 4" Base

Modular Cap Insert 1.50" Tip and 4.00" Base


Dirt Bike    Exhaust
 
Pro Circuit Spark Arrestor Screen
Our Price:  $19.99
Rating: 

Pro Circuit Spark Arrestor Screen

Replace your damaged, or missing spark arrestor with this United States Forest Service approved Pro Circuit Spark Arrestor screen. This 4-inch spark arrestor screen is for Pro Circuit silencers made ...


Dirt Bike    Exhaust
 
Pro Circuit Stainless Steel New End Cap - 4.0
Our Price:  $34.99
Rating: 

Pro Circuit Stainless Steel New End Cap - 4.0"

Pro Circuit stainless steel end cap. Replace your bashed, dinged or beat up end cap with a Pro Circuit replacement end cap. This ...


Dirt Bike    Exhaust
 
Pro Circuit Spring Puller
Our Price:  $9.99

Pro Circuit Spring Puller

Spring puller provides plenty of leverage.


Dirt Bike    Exhaust
 
Pro Circuit Stainless Steel New End Cap - 3.5
Our Price:  $34.99

Pro Circuit Stainless Steel New End Cap - 3.5"

Pro Circuit stainless steel end cap. Replace your bashed, dinged or beat up end cap with a Pro Circuit replacement end cap. 2007 ...


Dirt Bike    Exhaust
 
Pro Circuit Ti-5 Carbon End Cap
Our Price:  $99.99

Pro Circuit Ti-5 Carbon End Cap

The Ti-5 Exhaust System is designed for optimum performance, riders will enjoy increased horsepower while still meeting the 2-meter max sound requirements. Unlike other Pro Circuit exhaust systems, the Ti-5 offers consumers the choice ...


Dirt Bike    Exhaust
 
Pro Circuit Quiet Insert With Spark Arrestor - 3.5
SALE! Save 8%!
Our Price:  $59.99
Retail Price:  $64.99
You Save:  $5.00

Pro Circuit Quiet Insert With Spark Arrestor - 3.5"

Pro Circuit stainless steel quiet inserts are available in multiple sizes to make your motorcycle quieter - without the loss of power. Designed for the 3-1/2-inch diameter canister. ...


Dirt Bike    Exhaust
 
Pro Circuit Ti-4R / GP Headpipe
SALE! Save 8%!
Our Price:  $279.99
Retail Price:  $304.99
You Save:  $25.00

Pro Circuit Ti-4R / GP Headpipe

Pro Circuit Ti-4R / GP Titanium Head Pipes are hand-built and are created to be one of the finest bolt-on modifications that you can add to your motorcycle or ATV. The unique design enhances ...


Dirt Bike    Exhaust
 
Pro Circuit Ti-4R / GP Midpipe
SALE! Save 9%!
Our Price:  $239.99
Retail Price:  $264.99
You Save:  $25.00

Pro Circuit Ti-4R / GP Midpipe

Pro Circuit Ti-4R / GP Titanium Mid Pipes are hand-built of high-grade titanium for long-lasting performance. Ti-4R replacement midpipe for Ti-4R Race System and Ti-4 GP System. Lightweight, ...


Dirt Bike    Exhaust
 
Pro Circuit T-4 Exhaust - Slip-On Dual Without Mid 94Db
SALE! Save 9%!
Our Price:  $479.99
Retail Price:  $524.99
You Save:  $45.00
Rating: 

Pro Circuit T-4 Exhaust - Slip-On Dual Without Mid 94Db

The T-4 Slip-on has an impressive design, polished aluminum canister and ultra-responsive performance. Pro Circuit designed the T-4 Slip-On exhaust system demonstrating their determined commitment to the highest quality racing standards. It is constructed ...


Dirt Bike    Exhaust
 
Pro Circuit Ti-4 Header - Titanium
SALE! Save 9%!
Our Price:  $249.99
Retail Price:  $274.99
You Save:  $25.00
Rating: 

Pro Circuit Ti-4 Header - Titanium

Pro Circuit Ti-4 Titanium Head Pipes are hand-built and are created to be one of the finest bolt-on modifications that you can add to your motorcycle or ATV. The unique design enhances low to ...


Dirt Bike    Exhaust
 
Pro-Circuit T-4 Head Pipe Stainless
SALE! Save 10%!
Our Price:  $179.99
Retail Price:  $199.99
You Save:  $20.00

Pro-Circuit T-4 Head Pipe Stainless

Pro Circuit T-4 stainless head pipe is a great way to boost the low to mid RPM performance and power of your 4 stroke motorcycle or ATV exhaust system, making it an ...


Dirt Bike    Exhaust
 
Pro Circuit T-4 Mid Pipe
SALE! Save 9%!
Our Price:  $239.99
Retail Price:  $264.99
You Save:  $25.00

Pro Circuit T-4 Mid Pipe

Pro Circuit Mid Pipes are hand-built to create one of the finest bolt-on modifications that you can add to your motorcycle. The unique design enhances low to mid RPM power, making it the perfect ...


Dirt Bike    Exhaust
 
Pro Circuit WR Mount Kit
Our Price:  $16.99

Pro Circuit WR Mount Kit

Rubber silencer mount kit includes everything you need to keep your silencer mounted securely on your bike.


Dirt Bike    Exhaust
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Most Recent Exhaust Reviews

Pro Circuit Ti-5 Complete Exhaust With Carbon End Cap Pro Circuit Ti-5 Complete Exhaust With Carbon End Cap Pro Circuit Ti-5 Complete Exhaust With Carbon End Cap RJMKX450 (Atco, NJ) Great exhaust for 13' kx450F "This combo really Smooooothed the power of the fire breathing kx450. As always Motosport ..." "This combo really Smooooothed the power of the fire breathing kx450. As always Motosport goes above and beyond to get it shipped fast. I ordered on Sunday night and it was at my door on Wed. That's top notch service in my book."
 See all reviews for this product [+] Expand Article [-] Collapse Article

Riding on Pro Circuit

In 1978, desert racing pro and tuning specialist Mitch Payton opened a shop called Pro Circuit. Rumors of Payton’s motor building skills quickly spread and like all small companies, a cult following ensued. Once he mastered cylinder porting and polishing, Payton looked at other bike parts and soon after custom-tuned exhaust pipes represented the first Pro Circuit high-performance accessory.

Once again, the word got out and requests for modifications to other parts of a dirt bike followed. A suspension shop opened and Pro Circuit expanded their line of exhaust systems. In 1991, Payton took a four-man team which included an unknown Jeremy McGrath and competed in the AMA Supercross series sweeping the 125cc East and West championships. In 1997, another unknown rookie named Ricky Carmichael took the 125cc National Motocross championship.

Pro Circuit Exhausts at MotoSport

Pro Circuit manufactures exhaust systems for two-stroke and four-stroke engines. Our inventory for two-stroke includes full systems and silencer canisters and our much larger four-stroke stock includes:

We are also “The Guys That Ride” so we can help you narrow your scope based on needs and what you are trying to accomplish with your bike. Pro Circuit exhaust systems range in price and some are best suited for certain bikes over others.

Don’t get exhausted looking for the right exhaust system, just stick with Pro Circuit and MotoSport. Want help? Call our toll free line 866-677-7338 or chat chat with an expert.

Get your Pro Circuit exhaust delivered to your door with free 3-day shipping on any order over $99 (certain restrictions apply) from MotoSport!