resonated test pipes that much louder?
#22
HFC's are a better plan as test pipes stink, throw CEL and are going to fail sniffer test. All for what........ 1 horse over HFC?
HFC on 06 z (balance OEM exhaust) added 2db at idle and 8 db at 3,000 no load RPM. Test pipe is likely to be louder and change the sound more vs. OEM.
HFC on 06 z (balance OEM exhaust) added 2db at idle and 8 db at 3,000 no load RPM. Test pipe is likely to be louder and change the sound more vs. OEM.
#24
Originally Posted by Andy@Performance
I just installed UTR RESONATED TEST PIPES with a JIC Bullet Y pipe on my Nismo exhaust today. I switched from Crawford cats and the NISMO y pipe, Ill let you guys know how it sounds.
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