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Discussion Starter · #1 ·
Can anybody help here? Is that big square exhaust "resonator" really necessary, or can it be taken off without any ramifications.

I still gotta believe that thing is stangling some horsepower. Is THAT particular set up "necessary"??
 

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mid-knight_goat said:
best thing to do is get and x-pipe to still generate some backpressure, for
it is needed for high rpm performance unless you tune it other wise.
x pipes are not for backpressure, they are to smooth out the exhaust flow so your car doesn't sound like two civics with fart pipes, without being as restrictive as an H pipe.
 

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