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Old 08-30-2013, 01:15 PM
FrankSchwab FrankSchwab is offline
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Join Date: Aug 2004
Boat: 1998 Maristar 200VRS
Location: Phoenix, AZ
Posts: 1,493
For those who ask whether reducing a pair of 3-4" exhausts to a single, apparently smaller, output adds backpressure, the answer is "Probably".

Can that damage a Small Block Chevy like the OP asked? Certainly not. Think of where that engine was originally designed to go - in a Chevy car or truck with crappy exhaust manifolds, a Cat, and a small single exhaust. How much backpressure do you think it has in that Factory design?

If you want to argue that an FAE might impact the horsepower available at WOT, or increase fuel consumption at a particular performance level due to poor matching of intake/cam/valves/exhaust, fine, keep the arguments there.
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