Hi got a letter for my car to go for a noise test so i went today and it hit 87-88 decibels when reving to 4k then 91 when you back off when it makes a popping noise.
i was told 1 decibel is not much but would not pass me so my question is can a tuner reduce the backfire a touch is that possible. I dont want to lose the popping noise so can they reduce it a touch.
Thx
What mods and system are you using?
PERFORMANCE MODS- JTG Liquid injection, Under driven pulley, Pacemaker extractors, 3" X-force system, Cold air intake, MAF Less tune 267.9 RWKW'S
http://forums.justcommodores.com.au/...ber-007-a.html
Yes I know, if you get anymore manly you are in danger of making yourself pregnant!
Dont they test you at 75% of the effective engine rpm?
The tuner will also be able to choke the shit out of it with the tune