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Re: Exhaust Questions
i just bought the magnaflow exhaust for my 98 Trans Am..great system..3 in is the size of the tail pipes..they are 3inch slash cuts...um hi flow cats are good for another around 3-5 hp each...they are worth the money...but i would go with an off road y-pipe ..
and also magnaflow is on ebay ..look for the exhaust on their i know when i bought it they gave me a choice of 1 hi flow cat, indium spark plugs, K&N air filter for free...i went with the cat..so if you do that you only have to buy one more cat
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