Do I need to change my Tune?
05-15-2009, 02:52 PM
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Join Date: Mar 2007
Location: lynchburg, VA
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Do I need to change my Tune? hey guys i have an 01 ss H/C car running stock cubes. i got the car tuned with an off road y pipe and the borla adjustable cat back with no plates in it. welll i got busted by the PO PO for no cats and the exhaust being to loud. i bought a cated y and the electric exhaust cut out from QTP for the borla system. my question is do i need to get the car retuned now that i am running the cats? will the added back pressure of having the exhaust cut out closed change anything enough to need to retune the car?
