down pipe

nsjoel808

New Member
Aug 22, 2009
17
0
0
Hawaii
i know a down pipe is highly recommended, but i am concerned on how loud it will make my car, i have the hks dragger exhaust on already, will a downpipe make it way louder or only W/ test pipe added on too?
 

S.A. supra

New Member
Feb 15, 2009
2,405
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Buda, Texas
It will still sound stock at idle. I had a down pipe and test pipe along with my dragger on my old 7mgte and it was still quiet. With a nice rumble at wot.
 

Guyana00

Droppin that JZ in soon!
Apr 18, 2007
1,208
0
0
Brampton, ON
An aftermarket will be louder than stock. Are you planning on external dump? If so that makes a difference. Routing the WG to the exhaust will keep the noise down.

S.A. supra;1408719 said:
It will still sound stock at idle. I had a down pipe and test pipe along with my dragger on my old 7mgte and it was still quiet. With a nice rumble at wot.

Good point, noise difference is notice as RPM goes up, different will hardly ne notice if much as idle.