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kielbasa16 · 06-01-2010, 08:57 PM

Also, Im about to replace the cats and though I think I already know the answer to this questions please weigh in if you know.
What will produce less drone/cabin noise when paired with the FI 18" - HFCs or resonated test pipes?

06-01-2010, 08:57 PM	#4019 (permalink)
kielbasa16 Track Member Join Date: Jun 2009 Location: NY Posts: 770 Drives: 09 Blk Z Spt Rep Power: 17	Also, Im about to replace the cats and though I think I already know the answer to this questions please weigh in if you know. What will produce less drone/cabin noise when paired with the FI 18" - HFCs or resonated test pipes?