Pro Circuit

Pro Circuit - Original Tee:
This simple, 100% cotton t-shirt includes the original Pro Circuit logo on the upper left of the chest, and also has the same logo on the back as a jumbo print. This tee is a classic, so grab one!

Pro Circuit - Works Pipe:
Works pipes are constructed with bare metal finishes and are used by many Factory teams.
All pipes are stamped from AKDQ high quality carbon steel.
Constructed with 12-gauge brackets and 16-gauge stingers with gusseted butterfly brackets attached to the stinger to prevent cracking.
Flanges are...

Pro Circuit - R304 Silencer - KTM
For those looking for the factory look and power, the Pro Circuit R-304 silencer was developed as a full-race two-stroke silencer. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are...

Pro Circuit - R304 Silencer
Construction features include stainless-steel end caps and intake tube, an extruded aluminum body with brushed finish and lightweight, high-strength aluminum rivets and steel Allen head screws on one end for easy disassembly and rebuilding. Body designed for FIM requirements.

Pro Circuit - R304 Silencer
Construction features include stainless-steel end caps and intake tube, an extruded aluminum body with brushed finish and lightweight, high-strength aluminum rivets and steel Allen head screws on one end for easy disassembly and rebuilding. Body designed for FIM requirements.

Pro Circuit - Ti-6 Titanium Exhaust System (Kawasaki)

The Pro Circuit Ti-6 Titanium Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe, mid pipe, and muffler canister while the end-cap is constructed of carbon fiber. The Ti-5 showed weak points. So with...

Pro Circuit - Team Monster Tee:
• This jumbo print tee is part of our ongoing collaboration with Monster Energy®. 
• A design worthy of fitting in with Monster's action sports, punk rock lifestyle. 
• A 100% cotton shirt that features quality inks including metallic silver to help give the...

Pro Circuit - Works Pipe (Kawasaki):
WORKS pipes are constructed with bare metal finishes just like the Factory teams use.
All pipes are stamped from AKDQ high quality carbon steel.
Constructed with 12-gauge brackets and 16-gauge stingers with gusseted butterfly brackets attached to the stinger to prevent cracking.
Flanges are...

Pro Circuit - Exhaust Plug:
An essential item when washing your dirt bike, the Pro Circuit Exhaust Plug helps to prevent water and mud from leaking into your exhaust system. Water getting inside your exhaust system and onto your packing could cause damage to the entire system. Not only great...

 Pro Circuit - Ti-2 Shorty Silencers
Since the switch to four-stroke motorcycles several years back, many aftermarket exhaust companies have put aside their desire to improve two-stroke performance parts. Not Pro Circuit. Four-strokes might have become the primary ride for most riders, but that doesn't mean Pro Circuit is going...

Pro Circuit - Works Pipe (KTM)
WORKS pipes are constructed with bare metal finishes just like the Factory teams use.
All pipes are stamped from AKDQ high quality carbon steel.
Constructed with 12-gauge brackets and 16-gauge stingers with gusseted butterfly brackets attached to the stinger to prevent cracking.
Flanges are...

Pro Circuit - Aluminum Throttle Tubes
• CNC-machined aluminum and Teflon coated. Stronger and more durable than the OEM plastic units.  

Pro Circuit - Clutch Springs
• 12-15% stiffer than stock
• More positive clutch engagement
• Prevent clutch slipping
• Consistent spring performance
• Control how efficiently your clutch turns power into acceleration
• Sold as a set

Pro Circuit - Works Pipe (Honda)
WORKS pipes are constructed with bare metal finishes just like the Factory teams use.
All pipes are stamped from AKDQ high quality carbon steel.
Constructed with 12-gauge brackets and 16-gauge stingers with gusseted butterfly brackets attached to the stinger to prevent cracking.
Flanges are...

Pro Circuit - Platinum Pipe (Honda)
• Inspired by the winningest aftermarket pipe in the motocross world, the Works, the Platinum is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding
• Unique electroless nickel bath technology...

Pro Circuit - Platinum Pipe (Yamaha)
Inspired by the winningest aftermarket pipe in the motocross world, the Works, the Platinum is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding
Unique electroless nickel bath technology gives the...

Kawasaki Forged Levers
• Pro Circuit Brake levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability
• They are designed to fit the stock perch and exceed OEM specifications
• Black finish

Pro Circuit - Billet Axle Blocks:
• CNC machined from billet aluminum for strength and light weight
• Aid in rear wheel alignment, which improves high speed stability and extends chain and sprocket life
• Honda blocks are anodized red, all other applications are anodized brown

Yamaha 304 Factory Sound Silencer:
This PC silencer popularized the Factory Sound movement in motocross exhaust technology. The aluminum body is riveted to the stainless-steel end cap on one end and screwed together on the opposite end for easy disassembly and repacking.
Features longer midsection than the R-304 Shorty for...

Pro Circuit - Platinum Pipe (Kawasaki)
• Inspired by the winningest aftermarket pipe in the motocross world, the Works, the Platinum is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding
• Unique electroless nickel bath technology...

Pro Circuit - Platinum 2 Pipe (Suzuki)
Pipe Description:
The Platinum 2 Pipe is constructed of heavy-duty 18-gauge metal offering increased protection from rock or crash damage. The Platinum 2 Pipe also utilizes a platinum plating on the body to help protect it from everyday elements making this an ideal...

Pro Circuit - Clutch Covers
• Developed using the latest design, testing and manufacturing technologies to improve dependability, strength and heat dissipation.
• Precision machined from billet T-6 aircraft-quality aluminum to aerospace tolerances.

 Pro Circuit - Deluxe Sticker Sheet
• Kiss cut sticker sheet
• Contains 26 individual stickers
• Approximately 13" x 19.5"
• 4mm clear vinyl

Pro Circuit - Platinum Pipe (KTM)
• Inspired by the winningest aftermarket pipe in the motocross world, the Works, the Platinum is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding
• Unique electroless nickel bath technology...

Pro Circuit - Ti-6 Pro Titanium Exhaust System (Kawasaki):
Pro Circuit's Ti-6 Pro Titanium Exhaust System was created for professional racers competing in a series such as AMA Supercross or AMA Motocross to ensure they pass AMA/FIM sound regulations. The Ti-6 Pro Titanium Exhaust System is constructed of titanium throughout...

Pro Circuit- T-6 Stainless Exhaust System (Kawasaki)
The Pro Circuit T-6 Stainless Exhaust System is designed to improve performance and is constructed of stainless steel throughout the head pipe, mid pipe, and end-cap for longetivity while the muffler canister is made of aluminum. Pro Circuit wanted to focus on improving...

Kawasaki 304 Factory Sound Silencer
Made right here in the USA, the Pro Circuit 304 Factory Sound Silencer for Kawasaki 2-strokes is one of the most recommended 2-stroke silencers on the market! Pro Circuit designed this 304 Factory Sound Silencer specifically to reduce the noise output of your bike to near...

Honda Forged Levers
• Pro Circuit Brake levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability
• They are designed to fit the stock perch and exceed OEM specifications
• Black finish

Pro Circuit - Thermostrips
• Thermostrips allow you to monitor the running temperature of your motor, shock or radiators to make sure you're not losing power due to overheating. 
• Three thermostrips per pack

Pro Circuit - R304 Silencer
Construction features include stainless-steel end caps and intake tube, an extruded aluminum body with brushed finish and lightweight, high-strength aluminum rivets and steel Allen head screws on one end for easy disassembly and rebuilding. Body designed for FIM requirements.

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KTM 304 Factory Sound Silencer:
This PC silencer popularized the Factory Sound movement in motocross exhaust technology. The aluminum body is riveted to the stainless-steel end cap on one end and screwed together on the opposite end for easy disassembly and repacking. This Pro Circuit 304 silencer is the...

Suzuki 304 Factory Sound Silencer
Aa a top choice throughout the 2-stroke community, the Pro Circuit 304 Factory Sound Silencer will make your Suzuki 2-stroke not only look like a factory ride, but sound like one too. Pro Circuit designed this 304 silencer with a longer body construction in order...

Pro Circuit - T-6 Stainless Slip-On Exhaust (Kawasaki)
The Pro Circuit T-6 Stainless Steel Slip-On exhaust is designed for the rider looking for an easy-to-install, durable performance silencer that is compatible with their stock head pipe. The T-6 Slip-On is constructed of stainless steel throughout the mid-pipe and end-cap, while...

Pro Circuit - T-6 Stainless Slip-On Exhaust (Yamaha)
Exhaust Description: 
The T-6 Stainless Slip-On Silencer is designed for a rider looking for an inexpensive, easy-to-install, durable performance silencer that can bolt onto their stock head pipe. This slip-on silencer comes with a stainless steel end-cap and an aluminum canister for increased...

Pro Circuit - T-6 Stainless Exhaust System
The T-6 Stainless Steel Exhaust System offers the same benefits as the Ti-6 Dual System, but the T-6 System is constructed of stainless steel throughout the head pipe, y-collector mid pipe, and end-caps while the canisters are constructed of aluminum for increased durability...

Suzuki Forged Levers
• Pro Circuit Brake levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability
• They are designed to fit the stock perch and exceed OEM specifications
• Black finish

Pro Circuit - Platinum Pipe (Suzuki)
Inspired by the winningest aftermarket pipe in the motocross world, the Works, the Platinum is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding
Unique electroless nickel bath technology gives the...

Pro Circuit - Rock Steady Tee:
• This jumbo print tee is part of our ongoing collaboration with Monster Energy®. 
• The Rock Steady Tee brings a design worthy of fitting in with Monster's action sports, punk rock lifestyle. 
• A 100% cotton shirt that features quality inks...

Pro Circuit - Works Pipe (Suzuki)
WORKS pipes are constructed with bare metal finishes just like the Factory teams use.
All pipes are stamped from AKDQ high quality carbon steel.
Constructed with 12-gauge brackets and 16-gauge stingers with gusseted butterfly brackets attached to the stinger to prevent cracking.
Flanges are...

Yamaha Forged Clutch Levers
• Pro Circuit Clutch levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability
• They are designed to fit the stock perch and exceed OEM specifications
• Black finish

Pro Circuit - Platinum Pipe
• Inspired by the winningest aftermarket pipe in the motocross world, the Works, the Platinum is a rugged exhaust pipe that utilizes plating on the body to protect it from the everyday wear and tear of motorcycle riding
• Unique electroless nickel bath technology gives...

Pro Circuit - Ti-6 Pro Titanium Exhaust System (Yamaha):
Pro Circuit's Ti-6 Pro Titanium Exhaust System was created for professional racers competing in a series such as AMA Supercross or AMA Motocross to ensure they pass AMA/FIM sound regulations. The Ti-6 Pro Titanium Exhaust System is constructed of titanium throughout...

Pro Circuit Triple Clamps:
*The 2019 Pro Circuit Triple Clamps were changed from a 22mm offset to a 23mm offset for the KX250F (2013-2019 models), the KX450F (2013-2018 models), & the 2019 KX450. This change in offset for the 2019 Triple Clamps was made specifically to increase the stability of...

Pro Circuit - Ti-6 Titanium Exhaust System (Yamaha)

The Pro Circuit Ti-6 Titanium Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe, mid pipe, and muffler canister while the end-cap is constructed of carbon fiber. The Ti-5 showed weak points. So with...

Pro Circuit - Fuel Mixture Screw
• The under-the-float-bowl location of the fuel screw makes it next to impossible to reach.
• Pro Circuits fuel mixture screw can be turned by hand.
• Fits Keihin accelerator-pump carburetors (FCR)

Pro Circuit- T-6 Stainless Exhaust System (Kawasaki)
The Pro Circuit T-6 Stainless Exhaust System is designed to improve performance and is constructed of stainless steel throughout the head pipe, mid pipe, and end-cap for longetivity while the muffler canister is made of aluminum. Pro Circuit wanted to focus on improving...

Pro Circuit - Nature Friendly/Type 296 Spark Arrestor
Your motocross machine needs one of these to meet US Forestry fire safety standards. Specially engineered internal metal baffles eliminate the chance of sparks leaving the exhaust system.The clog-free Krizzman design Nature friendly silencer is environmentally friendly, yet muffles exhaust sounds without...

Pro Circuit - Ti-6 Titanium Exhaust Styem (Honda)
The Ti-6 Titanium Dual Exhaust System for the Honda is designed to improve performance and is constructed of titanium throughout the head pipe, y-collector mid pipe, and canisters while the end-caps are constructed of carbon fiber. Improving power where the Ti-5 showed...