Exhaust Dirt Bikes

P Core 4 Hex Mflr Ktm/Hus

When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque,...

Ti 6 System W/Carbon Cap

The Ti-6 Titanium Exhaust System is designed to improve performance and power over previous designs. Constructed of titanium throughout the head pipe, mid pipe and canister, this is the ideal exhaust...

Ti 6 Bc Pro Titanium System W/ Titanium End Cap

Pro Circuit's Ti-6 BC 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...

Race Clutch Lever Silver Ktm/Husq/Gas/Beta

Features: Cold forged for increased strength. OEM replacement at a fraction of the cost. Comes Complete with all springs, pivots and adjusters. Fitment 2006 KTM 250 SX 2006 KTM 300 EXC 2007 KTM 250...

Pro Clutch Lever Black Ktm/Husq/Gas/Beta

Features: Forged metal construction for superior strength and durability. Black finish with a laser-etched RFX logo for a premium look.. Engineered for pro-level performance and reliability...

Rs12 System Yam

After over three years in development and testing we are pleased to announce the RS-12 is here! With the help of incredibly talented factory sponsored athletes, technicians, devoted engineers and a...

Rs 4 Header/Canister/End Cap Exhaust Slip On Ss Al Cf

RS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and...

Rs 4 Exhaust Repack Kit

Fitment 2026 Yamaha YZ250F

Rs 12 System Ss/Al/Cf Yz250f

After over three years in development and testing we are pleased to announce the RS-12 is here! With the help of incredibly talented factory sponsored athletes, technicians, devoted engineers and a...

Rs 12 Exhaust Spark Arrestor 1.375

Features: Includes ONE Replacement USFS Approved Spark Arrester for RS-12 Off-Road Mufflers. Available as optional Spark Arrester on applications not originally equipped with a Spark Arrester Please...

Rs 12 Exhaust Sound Insert 1.625

Features: Replacement Yoshimura parts and packing keep your Yoshimura exhaust performing at its peak performance. Replacement Low-Volume Insert Kit for RS-12 Mufflers Non-Spark Arrested Available as...

End Cap Cover Kit Rs4 Cf

Fitment 2026 Yamaha YZ250F

Rs 12 Muffler Decal Set

Replacement Yoshimura parts and packing keep your Yoshimura exhaust performing at its peak performance. Fitment 2026 Kawasaki KX250 2026 Yamaha YZ250F

Rs 4 Header/Canister/End Cap Exhaust System Ss Al Cf

Features: Pentagonal-shaped muffler Maximized internal volume Polyresonant duplex front chamber Stepped, two-stage core baffle Spark Arrestor/Sound Insert Compatible Fitment 2018 Yamaha YZ450F 2019...

Rs12 System Yam

After over three years in development and testing we are pleased to announce the RS-12 is here! With the help of incredibly talented factory sponsored athletes, technicians, devoted engineers and a...