BBK Varitune Cat-Back Exhaust w/ X-Pipe For 15-17 Ford Mustang GT 5.0 2011-2016 Ford F-250/F-350 Mandrel-bent 3" tubing ensures maximum

Mandrel-bent 3" tubing ensures maximum airflow

Group IV Synthetic Base Oil

Carburized taper pin provides increased corrosion resistance

industrial

BBK Varitune Cat-Back Exhaust w/ X-Pipe For 15-17 Ford Mustang GT 5.0 2011-2016 Ford F-250/F-350 Mandrel-bent 3" tubing ensures maximumAdjustable 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