I ran the mid-pipe with resonated short tails for 6 months. Can't speak to the volume with stock cats, but with HFCs the drone was too much for me for more than a 30-minute drive.
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‘13 6MT - Ported upper/lower intake manifolds and TBs, AAM intake, Dewla Dezign Air Guide, ARK HFC, FI 18” res CBE
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