BBi Autosport Porsche 911 GT3 Street Cup (997) Side Exhaust Bypass
- Over 40lbs of Weight Reduction
- 304 Stainless Steel Aerospace Tubing
- Factory Secondary Mufflers and Catalytic Converters Remain
- Direct Bolt-On Replacement
The BBi Autosport 997 GT3 / RS Exhaust Side Bypass is a direct replacement for the factory primary side mufflers. The primary mufflers are weigh approximately 44 pounds total while the BBi pipes are 4 pounds in comparison. For durability and protection against corrosion, each system is meticulously TIG welded using 304 aerospace grade stainless tubing with lower carbon content. The result is a substantial reduction in weight behind the rear axle which significantly improves handling and less restriction to produce a much more aggressive exhaust note.
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