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Discussion Starter #1
i have a tunable bomb exhaust. there's and insert that can alter the sound of the pipe. can anyone let me know: if i pull this insert out will i lost hp from lost back pressure. or will the back pressure remain about the same resulting in a deeper sound with out compromising the hp. if anyone else has this exhaust, let me know what you did. also how easy is it to reinsert the inner piece.
thx
 

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1.6 Turbo Power
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first off, backpressure to any car is a downside. the air will flow better without the silencer and it depends what diameter piping you have from the cat-back and what bends you have (mandrel or crush). bottom line is, id take the silencer out unless you get more tickets that way.
 
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