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MAC Off-Road Pro Chamber Mid Pipe (99-04 GT, Cobra)

Market Price $640.66 You Save 12% ($73.71)
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$566.95 (each)

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  • Item 401090
  • MPN# PC9994

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Ship to: Ashburn - 20149
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    Features & Details

    • Pro Chamber Mid Pipe
    • Improves Exhaust Flow to Increase Power
    • Unique Crossover Design
    • Mandrel Bent for Free Flow
    • 2.5" Stainless Steel Tubing
    • For Off-Road Use
    • Bolt-On Installation
    • 1-Year Limited Warranty
    • Fits 1999-2004 Ford Mustang GT and Cobra Models
    Make your Exhaust Work for You. The MAC Off-Road Pro Chamber Mid Pipe replaces your Mustang's power robbing catalytic converter to release its hidden power. This high performance Mid Pipe will dramatically improve exhaust flow for more horsepower and torque.

    Exclusive Pro Chamber Design. This mid-pipe features a unique crossover style and free-flowing pipe that's mandrel bent using 2.5" stainless steel tubing - so there's nothing to rob you of power.

    Installation. Proper bolt-on installation requires a low to moderate level of mechanical skill and can typically be completed within 2 hours.

    Warranted Against Defects. MAC Products are backed by a 1-Year warranty against manufacturers defects and workmanship from the date of purchase and will require an RA# to be provided by MAC. Please review the complete warranty for details and exceptions.

    Application. MAC Off-Road Pro Chamber Mid Pipe will fit 1999-2004 Ford Mustang GT and Cobra Models.

    Fitment: 1999 2000 2001 2002 2003 2004 Details

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Mid Pipe
    • (2) Down Pipes
    • (1) Hardware Kit
    • (1) Instruction Manual
    Installation Info
    Will it fit my Mustang?

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    Questions & Answers (2)

    2 Top Rated Questions

    will these fit other brand shorty headers?

    • The MAC Off-Road Pro Chamber Mid Pipe will work with any shorty heads as long as the piping is the same size and the connections are the same.

    Helpful (0)

    Is this Item Aluminized or Stainless Steel? The Ad says Aluminized but the Mac part number comes up as Stainless Steel on their website.

    • The MAC Off-Road Pro Chamber Mid Pipe is a 2.5 inch Stainless Steel Mid Pipe.

    Helpful (0)
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    Customer Reviews (1) Write a Review

    Overall Rating 5

    out of 5 stars

    Installation Time:Afternoon

    • Loudness / Volume 4 4
    • Exhaust Note 5 5
    • Fit & Finish 5 5
    • Bang For Your Buck 5 5

    • 5/5

      Installation Time: Afternoon

      April 09, 2018

      Great Sound

      Different from the standard H and X pipes but it still sounds great.


      Year: 2003 Submodel: GT

      Helpful (4)

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