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Re: Quiet High Flow Mufflers?
If I remember right, there's no difference from 3" to 3.5" under 550whp, or at least hardly noticeable.
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2009 Corvette Z51-SOLD
1992 Mitsubishi Eclipse GSX-SOLD
2013 BMW Z4-Current summer hooptie
2017 GMC Yukon-Current winter hooptie
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