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This kit can only be added if an industry standard V8 cat back system is installed. Also see our complete 3.8 liter systems including this X kit.

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. There’s 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, aluminum 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.

• Welded reinforcement plates at crossover
  
• Direct fit
  
• Super Siamese Scavenging effect increases Horsepower
  
• Smooth, seam-coated, 16 gauge, mandrel-bent, aluminized steel pipe
  
• Bolt-on connections for ease of installation
  
• Flanges included where applicable

* 2004 Mustang May Require a 24 inch O2 Extension wire