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Discussion Starter · #1 ·
will a 4-2-1 an sports cat make it pop an bang quite loud? i have a 2" straight through system as well.
 

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That's what I had on mine, along with a de-cat, and it sounded really raspy.
 

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Yeah, but the noise was actually coming from the manifold and decat. It was just really tinny.
The thing is with the Protech, some people say they sound nice, and other don't.
For the price though they are worth it.
 

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Discussion Starter · #6 ·
ok cool, thing is mine is really deep ant the min so a manifold might help bring out the true noise ;) lol
 
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