301/420cc Exhausts

4 Stage Header Pipe, Build Your Own

Introducing the 4 Stage, Build Your Own Header Pipe from GoPowerSports! This versatile two-piece kit allows you to unleash your creativity and build your own custom header pipe. With endless options, you can design a header pipe that perfectly fits your...

Mini Muffler, Chrome

Upgrade your ride's sound and style with our Chrome Mini Muffler. This sleek, compact accessory is designed to provide your vehicle with a robust, deep tone that commands attention on the road. Crafted from high-quality materials, our Mini Muffler...

Exhaust Gasket GX270/390

The Exhaust Gasket GX270/390 is a high-quality gasket that is designed to provide a reliable seal for your vehicle's exhaust system. This gasket is designed to fit perfectly with a GX270/390 exhaust manifold, ensuring consistent and efficient performance...

RLV #4102 1-1/8" Exhaust Silencer w/ HD SS Clamp

The RLV #4102 1-1/8" Exhaust Silencer w/ HD SS Clamp is a top-quality silencer designed to effectively reduce exhaust noise for your small engine. Made from high-grade materials, this silencer is built to last and can withstand the regular use demands...

1" Mini Muffler w/ HD SS Clamp

The 1" Mini Muffler w/ HD SS Clamp is a high-quality muffler designed to provide effective noise reduction for small engines. Made from durable materials, this muffler is built to last and withstand the rigors of regular use. It is easy to install with...

301cc & 420cc Header Pipe, 1.125" OD (Honda GX240,270,340,390)

  Upgrade your Honda GX240, 270, 340, or 390 engine with this high-quality header pipe. Made from durable materials, this pipe has a 1.125" outer diameter and is designed to fit both 301cc and 420cc engines. Its precision engineering ensures...

Header Flange, 301cc/420cc

The Header Flange for 301cc/420cc engines is a top-quality replacement part designed to enhance the performance of your engine. It is made from premium-grade materials that can withstand high temperatures and heavy use, ensuring long-lasting durability...

Trumpet End, 1-3/8"

Looking for an upgrade for your header pipe? Check out our Trumpet End, 1-3/8". It's a lightweight, 2-stage, trumpet end that perfectly fits the high performance F&B header pipes that we sell. Made in the USA, this trumpet end is guaranteed to...

Trumpet End, 1-5/16"

The Trumpet End is a lightweight, 2-stage design made for use on a 1-5/16" O.D. header pipe. This product is made in the USA and is designed to increase all-around performance while producing a better and deeper sound. It is slotted for easy assembly...

Trumpet End, 1"

The Lightweight, 2-stage, Trumpet End, 1" is a high-quality accessory that is made in the USA. It is designed to fit on a 1" O.D. header pipe and is made of mild steel, making it easy to weld onto most header pipes. This trumpet end is slotted for easy...

301cc & 420cc Straight Back Header Pipe

The 301cc & 420cc Straight Back Header Pipe is an excellent choice for those looking to upgrade the performance of their small engine vehicles. This header pipe is designed to fit 301cc and 420cc engines found in go-karts, mini-bikes, and other small...

Exhaust Silencer 1" with HD SS Clamp

The Exhaust Silencer 1" with HD SS Clamp is an essential component for any engine that generates loud noises during operation. This high-quality silencer is designed to fit perfectly onto the exhaust pipe of your engine. The durable construction of this...