Reply to "New exhaust sounds great"

Former Member

Large primary pipe diameter (larger than 1 5/8") is not a good idea on anything but a 2,110 race engine, and then a 1 3/4" might be useful above 6,000 RPM depending on the engine build.

A good size for a 2,110 modified street merged collector pipe to muffler and muffler size is 2 1/2"; larger will probably not make more POWER but it will certainly make a lot more NOISE.

Going too large on the exhaust system almost always hurts the low end and mid-range performance and may not contribute to top end unless it is properly engineered for the engine.

3/19/0312:23 PM

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