Exhaust
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.
we should also talk about header clocking by firing order into the collector - for scavenging goodness, we actually need way more on scavenging, this page is deserted
backpressure is a meme
Contents
Exhaust Form Factors
4-1
4-2-1
4-2
4-4
(never seen 4-4 but it'd be sweet
Silencers and Noise test
Muffler/Silencer
A muffler (or silencer) is an acoustical filter designed to ensure appropriate noise control in the exhaust system of an internal combustion engine.