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BBi Autosport Porsche 911 GT3 Street Cup (997) Side Exhaust Bypass

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  • Regular price $950.00


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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.

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