By jerry s 2342 Date 2010-09-13 19:58
I have chrome megaphone pipes on my buggy now they look and sound cool but they dominate the drive experience I dont bother with the stereo and on a long drive the volume is too much I see empi exhaust systems with a phat muffler has anyone put this setup on ?does more back pressure improve proformance?
By Bryan A 229 Date 2010-09-17 00:17
More back pressure reduces performance...
By Jeffrey P 655 Date 2010-09-17 01:27
Generally....but only above a certain degree. A certain amount helps with scavenging. Also a good merged collector is much better than duals.
By Bryan A 229 Date 2010-09-17 22:38
This discussion continues ad nauseum on multiple forums.... and true that a proper collector design enhances the scavenging effect. But most folks don't wish to spend money on a header/collector design that will take into account all of the factors of their engine - things like valve area/lift/cam duration/etc.
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