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14901490 · 04-16-2009, 06:33 PM

Anyone compared an American muscle " custom tune " to a brenspeed custom tune on a mostly stock 05 GT ?
Any difference ??

04-16-2009, 06:33 PM	#81
14901490 2nd Gear Member Join Date: Apr 2009 Vehicle: 2005 Mustang GT Location: webster, ny Posts: 190	Anyone compared an American muscle " custom tune " to a brenspeed custom tune on a mostly stock 05 GT ? Any difference ??