Flowmaster 40 Series Delta Flow 2.25" In/Out Same side Offset Universal Muffler 2010-2014-f-150-raptor Custom tuned to vehicle use

Custom tuned to vehicle use and driving style

5 inch ob-round slash-cut exhaust tip

No Modifications To Vehicle's PCM

The stainless "straight-through" FlowFX performance mufflers deliver a moderate yet deep and powerful sound while the interior sound is kept very mild

If installing the 6" kit on a Rebel or truck equipped with an "off road group package" the truck will sit roughly 1/2" front high with the preload spacer installed

Flowmaster 40 Series Delta Flow 2.25" In/Out Same side Offset Universal Muffler 2010-2014-f-150-raptor Custom tuned to vehicle useThis two chamber design incorporates Flowmaster's Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: No internal packing to blowout Race proven Delta Flow technology Excellent Street Strip and Off Road