Engine knock/noise after Header Install.
#1
Engine knock/noise after Header Install.
So I just had my pacesetter LT Headers and custom y-pipe installed. The exhaust shop wanted to fab their own y-pipe in. Now when I accelerate hard i have a very noticeable knock or jerk. I just had motor mounts done as well so I'm not sure what I am lookin at here. any ideas are grateful.
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