GMG introduces the World Challenge ( WC) Sport exhaust system for the Audi R8 5.2 V10.  A proven design that not only wakes up the R8 but also saves over 50lbs of weight and offers a performance increase of up to 20+ hp on 91 octane pump fuel.

   The GMG WC Sport Exhaust is made of T304 Stainless Steel, mandrel bent tubing that is meticulously TIG welded by our craftsmen. Each system is built and serialized to order and features CNC flanges, hangers and our proven proprietary cross over center section, additionally the sport mufflers are of our own design and feature stainless steel packing throughout. The race proven design sets the standard to which all systems are measured up to.

   The GMG WC system is a direct replacement systems that is fully emissions compliant in all 50 states and will not void the warranty on your vehicle.

   The GMG World Challenge systems offer an amazing sound from the V10 engines while not having any harmonics or drone in the cabin when cruising around under partial throttle or at highway speeds, blue tooth can be fully utilized with no interference of unwanted noise.

• Performance increase 20+hp on 91 octane fuel
• Higher octane fuels yield more power.
• Improved throttle response
• Reduces engine compartment temperatures.
• Saves 50 lbs of weight - stock exhaust weighs over 70 lbs.
• Amazing sound.
• No cabin drone.
• Brushed finish.
• 50 state emissions compliant.
• Improved handling

**Installation is available at our Southern California location, or at any of our world-wide network of authorized dealers.