Porsche Pre Muffler Pipe For Porsche 911 Carrera (1976-1989) Models.

SOUND:

• Dramatically Increased Volume: Significantly amplifies the exhaust sound.
• Enhanced Flat-Six Sound: Releases more of the signature air-cooled flat-six engine note.
• Rasp-Free Design: Incorporates a straight-through resonator to prevent the harsh rasp often found in straight-piped cars.

POWER:

• Significant Mid-Range Gains: Dyno testing on a DynoJet showed peak curve increases of 21 wheel horsepower (whp) and 17 ft/lbs of torque at 4500 RPM.
• Overall Power Increase: Achieved maximum power gains of 16 whp and 16 ft/lbs of torque.
• Improved Throttle Response: Noticeably enhances the responsiveness of the throttle.

FEATURES:

• Performance Increase: Adds 16+ whp and 15+ ft-lbs of torque.
• Weight Reduction: Saves 8 pounds.
• Gutsy European Sound: Delivers an aggressive, European pre-muffler style exhaust note.
• Durable Resonator: Includes a straight-through resonator packed with stainless steel wool for longevity.
• O2 Sensor Bung: Features an O2 sensor bung, allowing the fuel injection system to automatically optimize mixture, idle, and part-throttle for peak performance.
• Premium Stainless Steel Construction: Constructed from mandrel-bent T304L stainless steel for durability and optimal flow.
• Easy Bolt-On Installation: Simple DIY installation requiring no cutting or welding.

Returns subject to a 25% restocking fee.