Originally Posted by Vash
just Y pipe chopped off with H pipe added, and 2 orginal 40's Flowmasters.
the only engine mods is Cold air Intake
A cam with longer exhaust duration will reduce the choppiness,
anything that produces more exhaust will reduce it. Like more
displacement or duration. The chop sound (IMO) is from the
off-pulse time between cylinders. Also why a V8 sounds smoother,
it has 33% more pulses and less off-pulse time, more overlap between
cylinders. Not to be confused with intake/exhaust valve overlap.
An "X"-pipe also reduces the chop, but increases the "buzz" sound.