Ive got the 3" full system on the car with 4" backbox? It sounds lovely and i dont think its too loud, but. Next month im venturing on track (105db). I was wondering what backbox would fit to make it a touch quieter if needs be?. Im going to nip over hopefully next week to get it sound tested but thought id ask before hand just in case.

Dan.

 

i have the same, with full decat and headers it's 77db on tickover and 94 at 4500rpm got her tested today at engine tuner, as evidence for my court case

 

Cheers for the reply mate. So yours is the same as mine and is only 94?