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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram
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EXHAUSTKIT911.2.3
Product Information
Product Information

The Switchable Valved Exhaust Kit “1 IN 2 OUT” Style is a complete OEM-quality performance exhaust system designed for classic Porsche 911 models. Featuring a single inlet, dual outlet configuration with an integrated valve system, this kit delivers both enhanced performance and adjustable exhaust sound.

Kit Contents:

x1 Exhaust Heat Exchangers (Pair) (3606001101)
x1 Exhaust Pre Silencer (3606501101/1)
x1 Rear Silencer With Valves "1 IN 2 OUT" Style (3606001104)
x1 Exhaust Tailpipe 76mm Straight Outlet RSR Style (3606001106)
x6 Exhaust Gasket Heat Exchanger To Cylinder Head (93011119112/1)
x6 Exhaust Barrell Nut (99908500103/1)
x6 Exhaust Hexagon Nut  (9000760250C)
x12 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)
x12 Exhaust Nut (90091009701/1)
x1 Switch Set For Sound Valves (9996001111)


Fits:

  • Porsche 911 3.2L 1984-89


What This Product Does:

  • Provides switchable exhaust sound (quiet mode vs sport mode)
  • Improves exhaust flow with a 1-in, 2-out configuration
  • Enhances engine performance and throttle response
  • Delivers a deeper, more aggressive exhaust tone when valves are open
  • Improves rear-end aesthetics with dual exhaust outlets
  • Ensures complete installation with included hardware


Symptoms Of Wear Or Failure (Stock System):
  • Exhaust leaks from corroded or damaged pipes
  • Rust or deterioration of silencers and exhaust components
  • Restricted airflow reducing engine efficiency
  • Excessive or inconsistent exhaust noise
  • Loose or failing mounting hardware
  • Lack of sound control compared to modern valved systems  

Why Replacement Matters:
  • Restores and improves exhaust flow, enhancing engine efficiency
  • Provides adjustable sound levels, from refined to sporty
  • Enhances driving experience with on-demand exhaust tone
  • Eliminates leaks and structural weaknesses
  • Improves durability with high-quality materials
  • Adds modern functionality to classic Porsche models while maintaining character  



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

EXHAUSTKIT911.2.3
3606501101
90007428203
93011119206
93011119308
91111119102
90091009701
9000760250C
9996001111
93011102200
93011102203
93021102501
PCG91121100
3606001101
93011119112
93021103301
93021103304
3606001104
3606001106

The product you are viewing cross references to these numbers