Quote:
Originally Posted by Jesse@JDLAutodesign
3" Dual resonated catback.

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Hi guys, I have this exact exhaust (literally this one I think) which was your 1st twin exit 3inch system I believe. Anyway after mating it all up to the rest of your kit (header, overpipe, turbo kit, etc) it sounded great for the 1st few hundred miles but has since got increasingly louder and louder. It's now at the point where I wont be able to track the car as it will fail any noise tests.
Could it be that for this 1st exhaust you used a different sound deadening material in the rear box? or anything else? I need to find a solution to this as my track toy cant track right now