Magnaflow #642-15594 Axle-Back Exhaust System 2011 Mustang GT 5.0L Competition Series 3.0" Dia. Tubing Dual Rear Exit No Mufflers 4" Tips

Magnaflow #642-15593 Axle-Back Exhaust System 2011 Mustang GT 5.0L Street Series 3.0" Dia. Tubing Dual Rear Exit Dual 5" x 8" x 14" Mufflers 4" Tips

Magnaflow #642-16400 Tru-X Pipe without Converters 2011 Mustang GT 5.0L Off-road use only

Built from heavy duty aluminized steel our Installer Series performance exhaust systems offer a value price without compromising on the quality built into every component...

American Racing 2011 5.0L GT 1 7/8" Headers w/Catted Mid Pipe

American Racing 2011 5.0L GT 1 7/8" Headers w/Offroad Mid Pipe

Through stock mufflers and mid pipes (and no tuning) power was up 32 RWHP. We were blown away and so will you!

Your 2011-12 Mustang GT 5.0, Shelby GT500 or Boss 302 packs a thoroughbred of an engine, why bottle it up with restrictive, wimpy-sounding stock mufflers? Unleash the Pony within, with a Loud Mouth™ rear-axle back exhaust system from SLP Performance Parts

-Straight-through, nonrestrictive design, specifically tuned for the 2011 Mustang GT 5.0L 4V -Flow bench-tested 40% gain in exhaust flow vs. stock system -Premium stainless steel construction, crafted with pride and precision in the USA

Additional 3+ HP with XO-Pipe (for GT 5.0L Only)

Aluminized 409 stainless steel corrosion-resistant body with polished 304 stainless 4" diameter tips Standard on 2011 SVT Mustang Throatier exhaust note 50 state drive-by noise legal

Increased HP and TQ throughout the RPM range Large diameter mandrel-bent stainless steel primary tubes Extra thick 3/8" laser-cut flanges Patented JBA Firecone® merged collector Complete hardware and instructions

*This H pipe adapts JBA long tube headers to stock 2-3/4" diameter over-axle pipes*

*This H pipe adapts JBA long tube headers to JBA 3" cat-back exhaust ONLY*

*This X pipe adapts JBA long tube headers to stock 2-3/4" diameter over-axle pipes*

2011 Ford Mustang 5.0L Headers and Complete Exhaust System. Headers are 1 3/4" x 3" with a 3" High Flow Catalyst Equipped X-Pipe and a Kooks Racing 3" Cat-Back Exhaust that includes Mandrel bent 3" Over the Axle Tubing. Entire System is made in Aircraft..

This system features headers that are made with 1-5/8" primaries that merge into a 3" collector, from there the Off Road X pipe is a full 2-3/4" and will bolt up your stock over axles pipes or ANY after market system that uses stock type connections.

The Mustang GT 5.0L Headers are also made with 1-7/8" Primaries which all flow into a 3" Merge Collector to mate with your choice of X-Pipe from Kooks.

5.0L - 3" Competition, Split Dual, 5" Round Muffler, 4” Polished Tips

Magnaflow 2011 Mustang 5.0L 3.0" Street Cat-Back System

-No negative impact on emission devices -Hollow chamber yields higher airflow -Fits both Ford factory and Roush rear valance

Upgraded aggressive sound tone and volume 409 stainless steel pipes and muffler Unique open-chambered design 304 stainless steel exhaust tips with chrome flashing Does not negatively affect emissions Provides higher air flow No in-cockpit boom

2011 Mustang GT headers with 1-7/8" primary tubes, 3" X-Pipe, 3" dia lead pipes and high flow catalytic converters that mate to the factory connection point.

Stainless Works 3" Off Road X-Pipe