SLP 2011-13 Mustang GT Long-Tube Headers Feature:
- 4-into-1 Design featuring 1-3/4″ Primaries w/3″ Merge Collectors
- Integrated Merge Collector Spike for increased power and optimum exhaust flow
- 100% CNC Mandrel-Bent Stainless Steel construction
- Polished Ceramic Coating (interior and exterior surfaces) to keep heat in, exhaust velocity up, and under-hood temperatures down
- Compatible with factory or SLP Axle-Back Exhaust Systems
- Complete bolt-on installation (no cutting or welding required)
- +28 HP RWHP and +27 ft-lbs gains over stock system
- Made in the U.S.A.
- Covered by SLP’s Performance Guarantee and Limited Lifetime Warranty
Learn More: 2011-2013 Mustang GT Long Tube Header Package – Cats, PowerFlo-X Crossover Pipe
Loud Mouth Axle-Back Exhaust System Features:
- Mandrel-bent 3″ tubing offers unbeatable flow characteristics
- Significantly lighter than the OEM muffler assembly
- Installs in under an hour
- Constructed entirely from stainless steel
- Hand-polished, 4″ dual-wall tips provide a show-quality appearance
- Emissions legal in all 50 states
- Includes pre-welded hangers, detailed instructions, and all necessary installation hardware
- Covered by SLP’s Performance Guarantee and limited lifetime warranty
Learn More: 2011-2014 Mustang GT/Boss 302/GT 500 Loud Mouth Axle Back Exhaust
