MAC Performance

Features: Off-Road(No Cats)with Exclusive Mac ProChamber Design100% Stainless Steel2.5" TubingLifetime Warranty Introducing another MAC first! MAC's new patent pending PRO CHAMBER has just obsoleted the competition's H-pipe technology. Split (one each side) manifolds or exhaust headers on any engine need to be balanced to each other. On a V-8 motor for example, exhaust pulses enter respective collectors at uneven intervals of 90-180-270 degrees of engine rotation. This process hampers the full benefit of any exhaust header or manifold system by the long intervals between exhaust pulses, making balancing of...

Features: For use w/Mac Long Tube HeadersOff-Road(No Cats)with Exclusive Mac ProChamber Design100% Stainless Steel2.5" TubingLifetime Warranty Introducing another MAC first! MAC's new patent pending PRO CHAMBER has just obsoleted the competition's H-pipe technology. Split (one each side) manifolds or exhaust headers on any engine need to be balanced to each other. On a V-8 motor for example, exhaust pulses enter respective collectors at uneven intervals of 90-180-270 degrees of engine rotation. This process hampers the full benefit of any exhaust header or manifold system by the long intervals between...

MAC 05-09 Mustang Pro-Chamber Direct fit to Stock CatsExclusive Mac ProChamber Design2.5" Stainless Steel TubingLifetime Warranty

Features: Fits 2007-09 GT500 2.5" 100%Stainless SteelLifetime WarrantyDirect Fit for easy installationMuscle car sound & great performance.

Features: MAC's Big Mouth Filter w/ Velocity StackBillet Mass Air Meter3.5" Air TubeMAC Silicone ConnectorsStainless Steel ClampsShield Support PostsBillet Air Fittings

Mac 96-04 Mustang 1 5/8" Longtube Headers 1-5/8" Longtube Header2.5" CollectorsHigh Temperature Silicone Coated or Ceramic Coated These headers come with 1 5/8" primary tubes and 2 1/2" collector. They come HTS or Ceramic Coated for corrosion resistant and threaded flanges for emission controls hook up, steel studs and self locking nuts.

MAC 99-04 Mustang 1-5/8" Longtubes Headers 1 5/8" Longtube Header2.5" CollectorsHigh Temperature Silicone Coated or Ceramic Coated Available These headers come with 1 5/8" primary tubes and 2 1/2" collector. They come HTS coated or Ceramic Coated for corrosion resistant and threaded flanges for emission controls hook up, steel studs and self locking nuts.