Nissan 370Z Forum - View Single Post - GTM Performance Engineering: MHI Twin Turbo Official Release

BlkNismo · 01-06-2014, 09:52 PM

Would you consider the downpipe or test pipe to make more noise? Don't u have emission problems with the TPs?[/QUOTE]

the sound is probably similar, however with the downpipes you need to run 3" catback.

01-06-2014, 09:52 PM	#2566 (permalink)
BlkNismo Track Member Join Date: Sep 2011 Location: USA Posts: 614 Drives: Nismo Rep Power: 14	Would you consider the downpipe or test pipe to make more noise? Don't u have emission problems with the TPs?[/QUOTE] the sound is probably similar, however with the downpipes you need to run 3" catback.