Switchable Valved Exhaust Kit "1 IN 1 OUT" Style - Porsche 911 2.7L / 3.0L 1974-83  ❭  EXHAUSTKIT911.1.2

The Switchable Exhaust Kit “1 IN 1 OUT” Style is a complete OEM-quality exhaust system designed for classic Porsche 911 models. Featuring a single inlet and single outlet configuration, this setup provides a balanced combination of performance, sound, and originality.  

Kit Contents:
x1 Exhaust Heat Exchangers (Pair) (3606001102)
x1 Exhaust Pre Silencer (3606501101/1)
x1 Rear Silencer With Valves (3606001105)
x1 Exhaust Cross Over Pipe (3606001107)
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:

• Channels exhaust gases efficiently through a single-in/single-out system
• Maintains balanced backpressure for smooth engine performance
• Delivers a refined, classic exhaust note
• Ensures proper exhaust alignment with included mounting hardware
• Supports reliable engine operation and emissions performance    

• Exhaust leaks from rusted or damaged pipes
• Corrosion or deterioration of the silencer or pipework
• Excessive or abnormal exhaust noise
• Reduced engine performance due to restricted flow
• Loose or failing mounting hardware
• Visible cracks or structural damage

• Restores proper exhaust flow and engine efficiency
• Eliminates leaks and unwanted noise
• Maintains original driving characteristics and sound profile
• Ensures correct fitment and alignment with complete hardware
• Improves durability and longevity of the exhaust system
• Ideal for restoration projects, preserving OEM-style configuration