Exhaust

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The exhaust system is designed to aid in the removal of burnt fuel and air from the engine. A sound limit is placed on the exhaust in competition.

Exhaust System

backpressure is a meme

Exhaust Form Factors

Exhaust Mounting

4-1

4-2-1

4-2

4-4

(never seen 4-4 but it'd be sweet


Sound

Muffler

Interference

Tuning

Runner Lengths

Helmholtz