thinking about going back to stock catback any numbers?

[rs7337]

i will probably dyno with both to see just how much i will lose...
i have corsa sport on it now.
just getting annoyed with it... i'm wanting a little quieter

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[rs7337]

Anyone running Whipple with stock exhaust

 

[Barrel]

If stock headers you're not looking at losing a lot. Maybe 15hp? That might be generous. The choke point is going to the be the stock manifold, not the catback.

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