SLP 05 GTO "Loud Mouth" Exhaust w/PowerFlo-X Crossover Pipes

SKU: SLP-31560

Manufacturer: SLP

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SLP 05 GTO "Loud Mouth" Exhaust w/PowerFlo-X Crossover Pipes

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SLP 05 GTO "Loud Mouth" Exhaust w/PowerFlo-X Crossover Pipes

A Modular Exhaust System to Wake Up Your 2005 GTO!

Bolt on a Loud Mouth modular catalyst-back exhaust system from SLP on your new 2005 GTO for up to 5 extra horsepower and 5 foot-pounds of torque with the aggressive musclecar rumble your LS2 deserves. The secret to the systems distinctive sound is a pair of stainless Loud Mouth resonators, stamped with our SLP logo. The additional performance comes from the free-flow design and our built-in PowerFlo-X Crossover system that borrows a power-building method used in stock car racing. The system features a pair of attractive 3.5 dual-wall stainless steel tips that look great peeking out of the GTOs rear valence. The tips have an angle cut and can angle downward in a traditional style, or rotated 90 degrees so they match the curving shape of your rear valence. The modular design gives you flexibility to change to a quieter Loud Mouth II system in minutes by purchasing a pair of bolt-in Loud Mouth II bullet-style mufflers (#31063). The exhaust system is hand-crafted from 2.5 304 stainless steel, and is covered with our Limited Lifetime Warranty.

Loud Mouth catalyst-back exhaust system for 2005 GTO features:

  • Limited Lifetime Warranty
  • Aggressive musclecar rumble, louder than our Loud Mouth II system (#31561)
  • Modular design lets you bolt-in a pair of Loud Mouth II mufflers (#31063, not included) for a quieter system
  • Hand-crafted from 304 stainless
  • Easy bolt-on that mounts to SLPs header system or stock exhaust
  • Distinctive stainless tips that rotate for the look you want
  • Manufacturer SLP

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    • Pontiac GTO 2004,2005,2006