2013 Ford Mustang GT 5.0 with 13 GT500 mufflers Magnaflow 3 " X pipe

Car is for sale at the moment, bills getting tight, have to play catch up now :( http://cgi.ebay.com/ebaymotors/2013-Ford-Mustang-GT-5-0-Shelby-GT500-Replica-with-Track-Pack-Recaro-Brembo-/251231950872?_trksid=p3984.m1558.l2649&ssPageName=STRK:MESELX:IT&forcev4exp=true#ht_11010wt_1186 finally received the GT500 mufflers and put them on, they sound much better than the stoc GT mufflers, under normal loads they are quiet, but when getting on them they open up and mean business. The throttle feels more responsive and feels like Exhaust flows much better with the X pipe and the GT500 mufflers. since they made the 13 shelby at 660hp, im sure they tried to make the mufflers as free flowing as they were allowed to.

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2013 Mustang GT 5.0 Stock Dyno
Baseline numbers for a 2013 Mustang GT 5.0 M6. 3.73's. Only Mod is 2013 GT500 Axlebacks. No tune. 387hp/376tq





Mustang shelby GT500 2013 VS Chevrolet Camaro ZL1 2013
Mustang shelby GT500 2013 VS Chevrolet Camaro ZL1 2013





2013 Mustang GT with stock and then GT500 mufflers
First you can hear the stock 2013 Mustang GT mufflers at idle and drive-bys and then the GT500 mufflers. The GT500 mufflers here are brand new and will get louder after 500-600 miles as the packing ages. Too bad but it was windy when I shot the GT500 sounds so that diluted the sound somewhat. But you should hear that the GT500s are louder than stock but not as loud as Roush.





Shelby GT500 2013 vs. Camaro 715hp




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