1/4 diameter smaller on cat
12-12-2007, 11:22 AM
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1/4 diameter smaller on cat
I was going to change out my muffler with a 2.5 magnaflow muffler and I noticed that my cat is 2.25, but the rest of my exhaust is 2.5. This the first time I got underneath the car to tamper with the exhaust. My question is, is this hurting flow/performance of the vehicle?
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