hello, i was wondering where does the resonator go in the car (somewhere in exhasut pipping...) and what differece does it make if i change to an after market one? Currently i have 3 in straight pipping with no cat. What would be the outcome if i add a cat and a resonator with my 3 in pipping? i have a twin loop exhaust 2.25 in size
thanks
Oscar
thanks
Oscar
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