Quote:
Originally Posted by shuggy
I'd say there's a 10% increase in noise above 3,500rpm and 50%+ throttle. There's an even greater noise above 5,500 rpm and WOT, which matches the exhaust note of no primary cat setup. Very pleased with this mod.
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Sounds about the same as my CarboProject CF intake plenum where only the top plastic plenum cover was replaced with CF and the bottom half is still stock plastic.