Switchable Valved Exhaust Kit "1 IN 2 OUT" Style, Double Walled Slash Cut Tailpipe. Porsche 911 2.7L / 3.0L 1974-83  ❭  EXHAUSTKIT911.1.4

The Exhaust Kit “1 IN 2 OUT” Style with Double Walled Slash Cut Tailpipes is a complete OEM-quality exhaust system designed for classic Porsche 911 models. Featuring a single inlet, dual outlet configuration, this system is paired with double-walled, slash-cut tailpipes for a premium finish and enhanced durability.

Kit Contents:

x1 Exhaust Heat Exchangers (Pair) (3606001102)
x1 Exhaust Pre Silencer (3606501101/1)
x1 Rear Silencer With Valves (3606001104)
x1 Exhaust Tail Pipes Double Walled Slash Cut (3606001108)
x6 Exhaust Gasket Heat Exchanger To Cylinder Head (93011119113/1)
x6 Exhaust Barrell Nut (99908500103/1)
x6 Exhaust Hexagon Nut  (9000760250C)
x3 Exhaust Bolt (90007428203/1)
x2 Exhaust Gasket Heat Exchangers To Cross Over Pipe (93011119206/1)
x1 Exhaust Gasket Cross Over Pipe To Pre Silencer (93011119308/1)
x1 Exhaust Rear Silencer Gasket (91111119102/1)
x9 Exhaust Nut (90091009701/1)
x1 Switch Set For Sound Valves (9996001111)

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC  

What This Product Does:

• Improves exhaust gas flow through a single-in, dual-out configuration
• Enhances engine performance and responsiveness
• Delivers a deeper, sportier exhaust note
• Features double-walled slash-cut tailpipes for improved heat resistance and premium styling
• Ensures correct installation and alignment with included hardware  

• Exhaust leaks from corroded or damaged components
• Rust or deterioration of silencers and pipework
• Excessive or irregular exhaust noise
• Reduced engine performance due to restricted airflow
• Loose or failing mounting hardware
• Dented or worn exhaust tips affecting appearance  

• Restores and improves exhaust flow, enhancing engine efficiency
• Provides a sportier sound profile with dual outlet design
• Upgrades vehicle appearance with premium double-walled slash-cut tailpipes
• Eliminates leaks and structural weaknesses
• Ensures long-term durability with high-quality materials
• Ideal for restoration or performance upgrades, combining classic Porsche styling with modern refinement