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MAC Off Road Prochamber PC9400 94-95 5.0 Mustang MAC Exhaust MAC Off Road Prochamber 79-93 5.0 Mustang PC2593 MAC Exhaust
MAC 2.5" Off Road Prochamber for all 94-95 V8
Regular Price $299.95
Sale Price $279.95
MAC 2.5" Off-Road Prochamber for 87-93 5.0
Regular Price $299.95
Sale Price $289.95
MAC 2.5" Shorty Off Road Pro Chamber for 5 speed 87-93 5.0
Regular Price $309.50
Sale Price $289.50
MAC's patented Prochamber unit provides a deep, authoritative exhaust tone while adding a substantial increase in horsepower. The Prochamber is unlike any other Mustang mid pipe on the market. The specially designed mid pipe helps to balance exhaust gases for optimum power and a signature muscle car sound. Because the Prochamber unit merges exhaust pulses into one area, you'll notice a significant increase in horsepower and torque over any other X or H pipe. MAC's prochamber is an easy bolt on that'll add horsepower/torque while giving you that signature Mustang sound. The prochamber unit is different than a conventional H pipe. It produces a very deep exhaust note that will tell people its a Mustang coming down the road. The shorty version means it will work with long tube headers only. This mid pipe will not bolt to stock or shorty headers.
Features aluminized tubing for extra long performance Off road design (non-catted) Adds a significant amount of horsepower and toruqe and a killer sound! Upgrade your cat back exhaust at the same time. They can be foundHERE

Fits 87-93 automatics with long tube headers.
MAC Shorty Off Road Prochamber Pipe PC9495 5.0 Mustang Shorty Prochamber Unit Mach Off Road Prochamber 11-13 Mustang GT MAC Off Road Pro Chamber for 96-98 GT
MAC 2.5" Shorty Off Road Prochamber for all 94-95 V8
Regular Price $269.95
Sale Price $249.95
MAC After Cat Prochamber for 11-14 GT
Regular Price $369.50
Sale Price $339.50
MAC Off Road Pro Chamber for 96-98 GT
Regular Price $289.95
Sale Price $259.95
MAC's prochamber unit is a well designed mid pipe that offers more power and deeper tone over conventional H pipes. The prochamber is manufactured from aluminized steel that measures a full 2.5" in diameter. The mandrel bent tubing ensures a smooth, free flowing design that adds power and torque. MAC Off road prochamber that bolts to your stock headers for 2011-2013 5.0 Mustangs. The prochamber unit from MAC adds horsepower and power while giving your Mustang a deep exhaust note.
MAC Off Road Prochamber for 96-98 Cobra PC9900 MAC Prochamber for 99-04 Mustang V8 MAC 11-14 Mustang V6 Prochamber PC21205 MAC 11-14 Mustang V6 Prochamber PC2126
MAC Off Road Prochamber for 96-98 Cobra
Regular Price $329.50
Sale Price $289.50
MAC Off Road ProChamber for all 99-04 V8
Regular Price $329.50
Sale $299.95
MAC Off-Road Prochamber (11-14 V6 w/Long Tube Headers)
Regular Price $439.99
Sale Price $399.99
MAC Off-Road Prochamber (11-14 V6 w/Shorty Headers)
Regular Price $519.99
Sale Price $499.99
MAC's off road Prochamber is a specially designed mid pipe that produces more horsepower and torque over conventional Mustang mid pipe designs. The standard length pipe will fit all 1996-1998 Cobras with stock or aftermarket shorty headers. The Prochamber utilizes internal baffles that allow for free-flowing exhaust gases. The unit also creates an exotic sound that cannot be replicated by any other mid pipe on the market!

MAC's Prochamber features an off road design that eliminates your factory catalytic convertors. By removing the cats you'll notice a tremendous increase in power, throttle response and sound. The tubing is mandrel bent from 2.5" aluminized steel and the entire system is a direct bolt in. No welding is required for installation and all hardware and flanges are included at no charge. You cannot beat the sound and performance of a MAC Prochamber for your Cobra.

Key Features Off road design Prochamber unit sounds great and adds more power than X or H pipe Direct bolt in - no welding required 2.5" mandrel bent tubing Aluminized steel construction

Fits 1996-1998 Cobra with stock or aftermarket shorty headers
The PC21205 is MAC's Prochamber unit that will bolt up to long tube headers only. Unlike your standard H pipe, the MAC Prochamber unit offers a free-flowing design that is significantly more efficient. The result is more horsepower and torque over any other mid pipe! Not only will you get an improvement in exhaust flow, but you'll also notice a deeper, throatier exhaust note after installation.

This version of MAC's V6 Mustang Prochamber is intended to bolt up to MAC's long tube headers only. It comes pre-drilled with the proper o2 sensor bungs and installation is a direct bolt in. Gain more power and that signature V8 like sound with MAC exhaust products from StangMods.

Product Specs:
  • Constructed from 2.5" stainless steel tubing throughout
  • Prochamber unit outflows any conventional H pipe design
  • Off road design for maximum exhaust flow and sound
  • Fits 2011-2014 V6 Mustang with MAC long tube headers only
The PC2126 Prochamber unit from MAC offers a free-flowing design that will significantly increase horsepower and torque on your 11-14 V6 Mustang. The unit is a complete bolt-on replacement for your stock, restrictive catalytic converters. Not only will you get an improvement in exhaust flow, but you'll also notice a deeper, throatier exhaust note after installation.

Product Specs:
  • Constructed from 2.5" stainless steel tubing throughout
  • Prochamber unit outflows any conventional H pipe design
  • Off road design for maximum exhaust flow and sound
  • Fits 2011-2014 V6 Mustang with stock headers or aftermarket shorty headers
MAC 11-14 Mustang V6 Weld On Prochamber PC2205 MAC Off-Road Prochamber for 05-06 GT PC2005 MAC Off-Road Prochamber for 05-10 Mustang GT MAC Off Road Prochamber for 96-98 GT
MAC Off-Road Prochamber Weld-On (11-14 V6)
Regular Price $349.99
Sale Price $309.99
MAC Off-Road Prochamber with Legs for 05-10 GT
Regular Price $499.95
Sale Price $419.99
MAC Off-Road Prochamber without Legs for 05-10 GT
Regular Price $329.50
Sale Price $299.99
MAC Short Off Road Prochamber for 96-98 GT
Regular Price $279.95
Sale Price $259.95
The PC2205 is MAC's Prochamber unit that welds onto your factory mid pipe. Partial cutting of the factory mid pipe section and then welding is required for installation. If your modding on a budget, the weld-on Prochamber gives you a bump in power while retaining your factory convertors. Unlike your standard H pipe, the MAC Prochamber unit offers a free-flowing design that is significantly more efficient. The result is more horsepower and torque over any other mid pipe! Not only will you get an improvement in exhaust flow, but you'll also notice a deeper, throatier exhaust note after installation.

This version of MAC's V6 Mustang Prochamber welds onto your factory mid pipe behind the cats. Since your not removing the catalytic convertors there is no need to worry about check engine lights or re-tuning of your Mustang.

Product Specs:
  • Cut and welds to your factory mid pipe just behind the catalytic convertors
  • Constructed from 2.5" stainless steel tubing
  • Prochamber unit outflows any conventional H pipe design
  • Off road design for maximum exhaust flow and sound
  • Fits all 2011-2014 V6 Mustangs
The PC2005 Prochamber unit from MAC offers a free-flowing design that will significantly increase horsepower and torque on your 05-10 GT Mustang. The unit is a complete bolt-on replacement for your stock, restrictive catalytic converters. Not only will you get an improvement in air flow, but you'll also notice a deeper, throatier exhaust note after installation. The PC2105 Prochamber unit from MAC offers a free-flowing design that will significantly increase horsepower and torque on your 05-10 GT Mustang. The unit removes your stock catalytic converters. For installation, you will be required to cut out the section of tubing from your stock H pipe that contains the cats. The slip fit design ensures a leak free installation. Once installed, not only will you get an improvement in air flow, but you'll also notice a deeper, throatier exhaust note. This MAC Off-Road Prochamber will fit all 96-98 GTs with long tube headers only. It is a complete bolt-on replacement for your restrictive catalytic converter stock setup. The H-Pipe will increase HP and make your Mustang scream!

Features: 2.5 inch design Off road design for increased power and that signature Mustang sound

Fits all 96-98 Mustang GT with long tube headers.
MAC Off Road Prochamber for 99-04 V8 MAC Shorty Off-Road Prochamber for 05-06 GT MAC Stainless Steel Prochamber for 05-10 V6 MAC Off-Road Stainless Steel Prochamber
MAC Short Off Road Prochamber for all 99-04 V8
Regular Price $279.95
Sale Price $259.95
MAC Shorty Off-Road Prochamber for 05-10 GT
Regular Price $499.50
Sale Price $429.50
MAC Stainless Steel Prochamber for 05-10 V6
Regular Price $479.50
Sale Price $439.95
MAC Stainless Steel Shorty Off-Road Prochamber for 05-10 V6
Regular Price $349.50
Sale Price $309.95
This MAC Off-Road Prochamber will fit all 99-04 V8 Mustangs with long tube headers only. It is a complete bolt-on replacement for your restrictive catalytic converter stock setup. The H-Pipe will increase HP and make your Mustang scream!

Features: 2.5 inch design Off road high flow design for increased power and that signature Mustang sound Utilizes aluminized tubing for long lasting use

Fits all 99-04 V8 Mustangs with long tube headers.
The PC4605 Prochamber unit from MAC offers a free-flowing design that will significantly increase horsepower and torque on your 05-10 GT Mustang. The unit is a complete bolt-on replacement for owners who have aftermarket long tube headers installed. Not only will you get an improvement in air flow, but you'll also notice a deeper, throatier exhaust note after installation.
MAC Off-Road Prochamber for 05-10 V6 Mustang (fits stock or short tube headers). Free shipping and the lowest prices on MAC Prochambers for your V6 Mustang at StangMods.com Add some punch to your V6 with this MAC Pro Chamber midpipe. It's a complete bolt-on replacement for your restrictive catalytic converter stock setup. The Pro Chamber will increase HP and deepen exhaust note. Only works with long tube headers