BBK Varitune Cat-Back Exhaust w/ X-Pipe For 15-17 Ford Mustang GT 5.0 2015-2016-6.7l-powerstroke and the contoured

and the contoured

but at multiple speeds

1992–1998 GMC Yukon 4WD 6-Lug 5

improve horsepower

5 x 12 inch Conical Oiled Filter Element

BBK Varitune Cat-Back Exhaust w/ X-Pipe For 15-17 Ford Mustang GT 5.0 2015-2016-6.7l-powerstroke and the contouredAdjustable Sound. BBK's Varitune Cat Back Exhaust system features patented tunable performance mufflers that allow you to customize your 5. 0L Fastbacks exhaust note from mellow to throaty with just a twist of a wrench, for a 8 to 10 decibel sound level difference! This cat back not only sounds great, but also improves exhaust flow with the included X Pipe for dyno proven gains up to 30 horsepower. How It Works. BBK Varitune performance mufflers