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  1. Pypes 99-04 Mustang GT/Cobra/Mach-1 T-409 Stainless 2.5" Offroad X-Pipe
    $199.99
    High quality, exceptional design and performance define our crossover product line. They are a proven winner when it comes to bumping up the horsepower of your daily driver or race car. Our universal X crossovers fit an overwhelming variety of classic cars with extreme ease of installation. Our model-correct kits install like a dream. Theres no skimping on materials here. All crossovers include dual 409 stainless reinforcement plates at the welds where they are needed most. All pipes are mandrel bent, to allow for the maximum flow of exhaust gasses, which boosts acceleration. Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe resists corrosion and extends the life of your system. Our two piece assembly makes installation much easier and also allows for lower cost shipping. Ball flare connections allow for leak free, easy installation. Give your engine a major wake up call! Learn More
  2. Pypes 99-04 Mustang GT/Cobra/Mach-1 T-409 Stainless 2.5" Offroad H-Pipe
    $205.99

    All pipes are mandrel bent, to allow for the maximum flow of exhaust gasses, which boosts acceleration. Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe resists corrosion and extends the life of your system. Give your engine a major wake up call!

  3. Direct fit
  4. Super Siamese Scavenging effect increases Horsepower
  5. Smooth, seam-coated, 16 gauge, mandrel-bent, 409 stainless pipe
  6. Bolt-on connections for ease of installation
  7. Flanges included where applicable
  8. Learn More
  • Pypes 99-04 Mustang Catted H-Box
    $623.28
    High quality, exceptional design and performance define our crossover product line. They are a proven winner when it comes to bumping up the horsepower of your daily driver or race car. Our universal X crossovers fit an overwhelming variety of classic cars with extreme ease of installation. Our model-correct kits install like a dream. Theres no skimping on materials here. All crossovers include dual 409 stainless reinforcement plates at the welds where they are needed most. All pipes are mandrel bent, to allow for the maximum flow of exhaust gasses, which boosts acceleration. Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe resists corrosion and extends the life of your system. Ball flare connections allow for leak free, easy installation. Give your engine a major wake up call! Learn More
  • Pypes 99-04 Mustang Catted X-Box
    $625.41
    High quality, exceptional design and performance define our crossover product line. They are a proven winner when it comes to bumping up the horsepower of your daily driver or race car. Our universal X crossovers fit an overwhelming variety of classic cars with extreme ease of installation. Our model-correct kits install like a dream. Theres no skimping on materials here. All crossovers include dual 409 stainless reinforcement plates at the welds where they are needed most. All pipes are mandrel bent, to allow for the maximum flow of exhaust gasses, which boosts acceleration. Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe resists corrosion and extends the life of your system. Ball flare connections allow for leak free, easy installation. Give your engine a major wake up call! Learn More
  • Pypes 99-04 Mustang Catted H Pipe
    $390.99

    Our model-correct kits install like a dream. Theres no skimping on materials here. All kits include dual 409 stainless reinforcement plates at the welds where they are needed most. All pipes are mandrel bent, to allow for the maximum flow of exhaust gasses, which boosts acceleration Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe resists corrosion and extends the life of your system.

    All of our Street Legal crossovers utilize our small, but mighty, 5.0 litre ODBC compliant, catalytic converters. They out-flow most performance mufflers and weigh a mere 2.5 lbs.

    Pypes cats and catted X-pipes will pass most states emissions testing procedures. However, check your local and state ordinances for installation and usage regulations.

    **rich conditions, unburnt fuel getting into the converters, or oil getting into the converters can cause converter failure and is not covered under the warranty.

    For 2004, 02 sensors are relocated. Extensions are required.

    Learn More
  • Pypes 99-04 Mustang Catted X Pipe
    $391.99

    Our model-correct kits install like a dream. Theres no skimping on materials here. All kits include dual 409 stainless reinforcement plates at the welds where they are needed most. All pipes are mandrel bent, to allow for the maximum flow of exhaust gasses, which boosts acceleration Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe resists corrosion and extends the life of your system.

    All of our Street Legal crossovers utilize our small, but mighty, 5.0 litre ODBC compliant, catalytic converters. They out-flow most performance mufflers and weigh a mere 2.5 lbs.

    Pypes cats and catted X-pipes will pass most states emissions testing procedures. However, check your local and state ordinances for installation and usage regulations.

    **rich conditions, unburnt fuel getting into the converters, or oil getting into the converters can cause converter failure and is not covered under the warranty.

    For 2004, 02 sensors are relocated. Extensions are required.

    Learn More
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