2:1 Header Expand

2:1 Header

Cod Rapid: 59665
REF: 18320085

In Stoc

  • Must have on any performance motor
  • 2-into1 dyno tested header
  • Gain horsepower with the stock muffler and gain even more with slip-on
  • Great gain in low end torque with power that loves to rev out further than factory
  • Includes an O2 bung and plug for auto tune or auxiliary O2 gauge

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