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Axle-Back Exhaust, 2011-12 Mustang GT/GT 500/Boss 302 "Loud Mouth" w/4" Tips
Axle-Back Exhaust, 2011-12 Mustang GT/GT 500/Boss 302 "Loud Mouth" w/4" Tips
Our Price: $429.95

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 Mouthâ„¢ rear-axle back exhaust system from SLP Performance Parts. This affordable, easy-to-install kit eliminates the factory mufflers entirely, drastically reducing backpressure for enhanced power and a mind-blowing performance sound. Nothing else even comes close! Combined with our 4" polished tips, you'll really feel and hear the difference!

Loud Mouthâ„¢ 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
2011 Mustang Corsa Sport Axle-Back Exhaust with 4" Pro-Series Tips
2011 Mustang Corsa Sport Axle-Back Exhaust with 4" Pro-Series Tips
Our Price: $699.99
Sale Price: $659.99
You save $40.00!

Features:
  •  Corsa Exhausts are founded on a combination no other exhaust can deliver: total resonance cancellation, exhilarating horsepower gains, true performance sound and improved fuel economy
  • Cancels unwanted "droning" interior resonance at cruising speeds, thanks to Corsa's patented aerospace-grade Power-Pulse RSCT muffler technology
  •  Corsa Exhausts deliver hefty horsepower gains thanks to muffler chambers with no restrictions or power-robbing packing material
  • Specialized channels in a Corsa Exhaust muffler use reflective technology to cancel "bad" resonance sound while letting the sweet tone of V8 power flow through Corsa Exhausts are mandrel-bent for restriction-free flow, reducing backpressure and upping gas mileage
  • Crafted from 100% stainless steel tubing for corrosion resistance and unbeatable quality (T304, 304L or military-grade 321L)
  • Thorough testing and design ensures each Corsa Exhaust is a pure custom system (select your vehicle above for specifics about your kit)
  • Corsa Exhausts are designed to install at home with common tools; hardware and detailed instructions included
  • Custom exhaust tips and even performance X-pipes available for many Corsa Exhausts
  • Crafted with pride in the USA 50-state street legal for smog
  • Your Corsa Exhaust is covered by a Lifetime Warranty
2011 Mustang Corsa Xtreme Axle-Back Exhaust with 4" Pro-Series Tips
2011 Mustang Corsa Xtreme Axle-Back Exhaust with 4" Pro-Series Tips
Our Price: $699.99
Sale Price: $659.99
You save $40.00!

Features:
  •  Corsa Exhausts are founded on a combination no other exhaust can deliver: total resonance cancellation, exhilarating horsepower gains, true performance sound and improved fuel economy
  • Cancels unwanted "droning" interior resonance at cruising speeds, thanks to Corsa's patented aerospace-grade Power-Pulse RSCT muffler technology
  •  Corsa Exhausts deliver hefty horsepower gains thanks to muffler chambers with no restrictions or power-robbing packing material
  • Specialized channels in a Corsa Exhaust muffler use reflective technology to cancel "bad" resonance sound while letting the sweet tone of V8 power flow through Corsa Exhausts are mandrel-bent for restriction-free flow, reducing backpressure and upping gas mileage
  • Crafted from 100% stainless steel tubing for corrosion resistance and unbeatable quality (T304, 304L or military-grade 321L)
  • Thorough testing and design ensures each Corsa Exhaust is a pure custom system (select your vehicle above for specifics about your kit)
  • Corsa Exhausts are designed to install at home with common tools; hardware and detailed instructions included
  • Custom exhaust tips and even performance X-pipes available for many Corsa Exhausts
  • Crafted with pride in the USA 50-state street legal for smog
  • Your Corsa Exhaust is covered by a Lifetime Warranty
2011 Mustang Corsa XO Crossover Pipe
2011 Mustang Corsa XO Crossover Pipe
Our Price: $319.99
Sale Price: $659.99

Features:

  • +3 HP is gained (XO-Pipe for GT 5.0L Only)
  • No welding or cutting needed
  • 2.5" tubing