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Discussion Starter · #1 ·
I'm having a hard time finding this answer.

Right now, I'm stage 1 with a custom AMBOT tune. I'm looking to get a J pipe and cat back exhaust with a re-tune to go stage 2.

I know the Invidia Q300 is considered one of the quietest exhausts on the market, which is what I'm looking for, but how much will a J pipe change that loudness?

Thanks in advance!
 

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A little but not really ground breaking
 
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