Flowmaster FlowFX Cat-Back Dual Tip Exhaust For 15-20 Ford F-150 2.7L 3.5L 5.0L 2015-2021 mustang Whether you use your Duramax

Whether you use your Duramax for tearing up the dragstrip or working at the job site

Manufactured in the USA to XDP’s stringent standards

Spark timing optimized

Baja Designs' RTL-B is your answer

Flowmaster FlowFX Cat-Back Dual Tip Exhaust For 15-20 Ford F-150 2.7L 3.5L 5.0L 2015-2021 mustang Whether you use your DuramaxIntroducing Flowmaster's new line of FlowFX Cat back exhaust systems for 2015 2020 Ford F 150 with 2. 7L 3. 5L Ecoboost, 3. 5L TiVCT or 5. 0L engines. This dual 2. 50 inch system is perfect for the person looking for a moderate to aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include all stainless steel mandrel bent tubing flowing into a FlowFX straight through