The sweet sound of a 2-stroke engine...
It’s a favorite among motocross enthusiasts and we’ve seen our fair share of heated debates over 2-stroke versus 4-stroke engines.
- but we’re not here to take sides!
If you’re looking to upgrade or replace your 2-stroke exhaust system, you’ve come to the right place.
Our goal is to protect you from all the mental clutter along the way so you can make an informed decision about the best 2-stroke exhaust system for your bike.
It’s quite easy to tell a 2-stroke exhaust design from a 4-stroke one.
The 2-stroke exhaust system uses an expansion chamber.
In short, the expansion chamber acts as a pump, using the momentum and pressure of the exhaust gases to push more air and fuel into the cylinder during the intake stroke.

An approximation of the expansion chamber.

If you are new to riding a motorcycle or are looking to replace or upgrade your existing 2-stroke exhaust, this guide is your first stop.
Here's how to choose the best 2-stroke exhaust system for your motorcycle.
Most Common 2 Stroke Exhaust Systems To Consider

BUD HGS Exhaust
Exhaust expansion developed by Bud-racing and built by Hgs.This expansion promises greater recovery at low revs (eliminating engine voids) and power gain over the entire engine rev/rpm range.Each muffler is developed based on the weak points of each bike in order to fill the gaps of the standard exhaust.

Platinum/Fatty gold expansion muffler
The exclusive nickel plating technology gives the surface greater resistance to abrasion and improves the aesthetics. Structure in high quality calmed carbon steel that allows the muffler to adapt perfectly to the shape of the motorcycle and its performance.

Handmade expansion muffler
They are designed, tested and handcrafted specifically for each motorcycle model using the most advanced welding techniques and the best materials!

Expansion muffler Printed
Printed and assembled, the product stands out for its homogeneous power distribution across the entire engine rpm range, being designed for motocross and European tracks.
Positive aspects
- Crisp throttle response
- Impressive top-end extension
- Remarkable power at low and medium revs
- Carbon steel construction
- Nickel plated
Negative aspects
- Optimal carburetion is required
- They are NOT approved
Exhaust silencers

Exhaust silencer steel end cap
The silencers are easily regenerable. Round or oval section depending on the displacement and model, they are available in the cross and enduro versions.

Exhaust silencer with carbon end cap
The Mix aluminum silencer with carbon end cap for 2-stroke motorcycles makes your bike even more exclusive.

Anodized exhaust silencer
The anodized silencer makes your bike unique

Carbon Exhaust Muffler
Dedicated to those who always want the best: full carbon sheath and bottom. The top of the range for 2-stroke silencers.
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Protezione collettore,marmitta,espansione per moto 2 tempi "UNIVERSALE"
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- Protezione per marmitta a espansione e collettore a un prezzo competitivo pensata per piloti non professionisti
- Una robusta protezione per il tuo scarico fragile e costoso
- Aiuta a prevenire le ammaccature che causano una diminuzione di potenza

Protezione per pancia scarico 2tempi
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