Pro CircuitOfficial Home Page
Body & Fairings
Brakes
Drivetrain & Chain
Exhaust
Shirts
Suspension
Tools
Sort By
Pro Circuit T-4 Slip-On ATV Exhaust Muffler For Yamaha YFM350 Warrior 1986-2005
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On ATV Exhaust Muffler Yamaha Raptor 660R 2001-05 4QY01660
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
Pro Circuit T-4 Slip-On ATV Exhaust Muffler For Yamaha Raptor 350 2005-15
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Motocross Exhaust Muffler For Suzuki LT-Z90 4QS07090
Pro Circuit - Exhaust
Lowest Price:
$279.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Kawasaki KX-450F 4K08450
Pro Circuit - Exhaust
Lowest Price:
$424.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Kawasaki KLX-650 4K93650
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On ATV Exhaust Muffler Kawasaki KFX-450R 2008-13 4QK08450S
Pro Circuit - Exhaust
Lowest Price:
$424.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Honda XR/CRF-80/100 4H01080
Pro Circuit - Exhaust
Lowest Price:
$264.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Honda TRX-450R 4QH04450S
Pro Circuit - Exhaust
Lowest Price:
$424.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Honda TRX-400EX 4QH99400
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Honda Foreman 400 4QH95400
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Muffler For Honda CRF450R 06 4H06450
Pro Circuit - Exhaust
Lowest Price:
$424.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Motocross Exhaust Muffler For Honda CRF-450R 4H05450
Pro Circuit - Exhaust
Lowest Price:
$424.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Exhaust Aluminum KTM 250 XC-F 2007
Pro Circuit - Exhaust
Lowest Price:
$464.95
See Details
Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for closed-course racing - Steel Allen head screws make repacking an easy task - Exclusive E-glass pillow packing - Fits the following KTM models: - 250 XC-F 2007 - 400 XC-W 2009 - 450 XC-F 2007-2008 - 450 XC-W 2009 - *Please Note: The image displayed is representative of the item,...
Pro Circuit T-4 Slip-On Offroad Exhaust Aluminum KTM 250 SXF 2007-09 XCF 2000-10
Pro Circuit - Exhaust
Lowest Price:
$464.95
See Details
Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for closed-course racing - Steel Allen head screws make repacking an easy task - Exclusive E-glass pillow packing - Fits the following KTM models: - 250 SX-F 2007-2009 - 250 XC-F 2008 - *Please Note: The image displayed is representative of the item, but may vary depending on your...
Pro Circuit T-4 Slip-On Exhaust Aluminum KTM 250 SXF SX-F 11
Pro Circuit - Exhaust
Lowest Price:
$464.95
See Details
Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for closed-course racing - Steel Allen head screws make repacking an easy task - Exclusive E-glass pillow packing - *Please Note: The image displayed is representative of the item, but may vary depending on your specific model.* -
Pro Circuit T-4 Slip-On ATV Exhaust LT-Z400 2003-09 KFX400 2003-09 DVX-400 03-09
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip On Muffler For Yamaha YZ-250F 4Y09250
Pro Circuit - Exhaust
Lowest Price:
$464.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip On Muffler For Yamaha TTR-50 4Y06050
Pro Circuit - Exhaust
Lowest Price:
$324.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip On Muffler For Yamaha TTR-225 4Y00225
Pro Circuit - Exhaust
Lowest Price:
$324.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Motocross Exhaust Muffler For Suzuki RMZ-250 4S09250
Pro Circuit - Exhaust
Lowest Price:
$464.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Motocross Exhaust Muffler For Suzuki DR-650SE 4S97650
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Motocross Exhaust Muffler For Honda XR650R 4H00650S
Pro Circuit - Exhaust
Lowest Price:
$374.95
See Details
The T-4 Slip-on has an impressive design, polished aluminum canister, stainless steel mid pipe and ultra responsive performance - Setting an affordable standard of riding excitement, the T-4 Slip-On is developed to increase the horsepower and torque throughout the power curve - Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for...
Pro Circuit T-4 Slip-On Offroad Exhaust Muffler Aluminum For Honda CRF250R 2010
Pro Circuit - Exhaust
Lowest Price:
$464.95
See Details
Improved power delivery and exhaust note - Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel - Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain - Silencers include wire-meshed spark arrester that can be removed for closed-course racing - Steel Allen head screws make repacking an easy task - Complete systems include stainless steel header - Exclusive E-glass pillow packing - Fits the following Honda models: - CRF250R 2010 -