My '01 ACR went .25 sec slower when I replaced the stock catback with a Borla 3"... so I put the stock catback back on..
but it was connected to something that I'd first used on my 11.80 '99 GTS.
11.90/123 mph with stock catback, and modded exhaust under sills
but it was connected to something that I'd first used on my 11.80 '99 GTS.
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11.90/123 mph with stock catback, and modded exhaust under sills
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