Need to add a resonator. Sizing? Magnaflow Race Mufflers?
#23
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Join Date: Sep 2009
Location: Royal Oak Michigan
Posts: 754
Total Cats: 68
I have a supercharger, no cat, and a borla dual axle back. The bish was loud! Raspy, drone, nasty loud. The exhaust sounded good through maybe 100 out of my 7000 RPMs used. I added a Vibrant Ultra Quite 2 1/4 inch resonator. I seriously doubted it's ability to shut my car up but it's perfect. I can't say enough good things about the little guy.
http://vibrantperformance.com/catalo...1021_1033_1055
http://vibrantperformance.com/catalo...1021_1033_1055
#30
I added the 3" version of that Vibrant ultra quiet resonator to my car and it made a huge difference. That's with a turbo, a cat, and a large magnaflow too. It moved the drone from 3k RPM to 2k RPM and dropped it in volume a lot, and also surprisingly it quieted down the car at idle enormously.
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