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Wattles · 02-19-2014, 08:28 AM

I have stock cats and FI 2.5" cat-back non-resonated exhaust on my TT setup. There is a noticeable drone at 2,000 - 3,000 RPM and that's with recirculating dumps. I don't ever think it sounds bad or raw exhaust like.
I can't imagine why you would have open dumps unless you chose to have the raw exhaust sound or we're only concerned with pure performance/track racing.

02-19-2014, 08:28 AM	#27 (permalink)
Wattles Base Member Join Date: Jul 2012 Location: California Posts: 57 Drives: 2012 G37 IPL 7AT TT Rep Power: 13	I have stock cats and FI 2.5" cat-back non-resonated exhaust on my TT setup. There is a noticeable drone at 2,000 - 3,000 RPM and that's with recirculating dumps. I don't ever think it sounds bad or raw exhaust like. I can't imagine why you would have open dumps unless you chose to have the raw exhaust sound or we're only concerned with pure performance/track racing. __________________ 2012 G37 IPL 7AT \| GTM Stage 1 Long Block \| GTM Stage 1 Garett TT \| Blitz SBC typeR Boost Controller \| GTM Stage 4 Transmission \| Tial BOV \| Fast Intentions exhaust \| GTM 8qt Oil Pan \| 583whp/484trq @ 13psi