gmgracing

To satisfy the demand of enthusiasts who desire a more aggressive sounding exhaust system, GMG is proud to announce the release of a muffler-less exhaust system for the Porsche 991 Turbo.As the 911 Turbo models evolved over the years, the cars became quieter due to the turbo system becoming more complex. As each generation became quieter, a few clients have expressed that they wanted a more aggressive sounding system so we eliminated the mufflers.

Hand crafted out of T304 Stainless steel and meticulously TIG welded to aerospace specifications, the system is lighter than the factory system and exudes a level of quality that is unsurpassed. The GMG Porsche 991 Turbo exhaust system is 20 percent lighter than the factory system.

The system features OBD2 compliant German made 200 cell sport catalysts with proper 02 sensor placement to ensure no CEL (Check Engine Light) and a proprietary crossover x-pipe to increase power by balancing exhaust gas pulse coming from the engine and adds to the signature sound that only the GMG WC system can offer.

Our proprietary crossover x-pipe works by balancing the exhaust pulses from either side — or cylinder bank – of the engine. It allows the exhaust to flow down the path of least resistance while speeding up exhaust velocity. At lower revs, turbulence is formed as exhaust gases try to shuffle past a second column of gases coming from the other side. While always producing more power than the restrictive factory system. Exhaust speed is increased as the engine revs increase. The X-Pipe merges the exhaust into two uniform streams, allowing a smooth flow from engine to exhaust exit.

Features:

- Horsepower and Torque Increased up to 35hp without software upgrade

- Deep aggressive exhaust notes at lowers revs & exotic high pitched exhaust notes at higher revs

- Constructed out of US Made T304 Stainless steel

- Meticulously TIG welded throughout to erospace specifications.

- Signature brushed finish and quad tip design.
.
- Significant weight savings over the stock system.

- Propriety crossover center section with x-pipe design to balance the exhaust pulses

- OBD2 compliant German made 200 cell sport catalysts to ensure no CEL (Check Engine Light)

- Gains up to 90 hp with software upgrade on 91 octane over 100 hp with 100 octane fuel.

- Direct bolt on replacement with all hardware and clamps included

– Requires no modification to vehicle

- System does not require any software tuning

- Each system is individually serialized with laser etched badge

- Hand built in the USA

- OEM tip option available

International Shipping is Available and Wholesale Inquiries are Welcomed

Professional installation is available at our facilities in Orange County, California.

GMG products are also available worldwide through our growing dealer network in North America, Latin America, Europe, Middle East, Africa, Asia and Pacific: http://www.gmgracing.com/dealers/

For all questions and inquiries, please email Jerry@GMGRacing.com or Sales@GMGRacing.com