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DesignTek
The Switchable Sound Exhaust Kit “GT3” Style is a complete performance exhaust upgrade designed for classic Porsche 911 models. Inspired by Porsche GT3 motorsport systems, this kit combines free-flow exhaust components, pre-silencer, tailpipes, and mounting hardware to deliver improved performance, sound, and durability.
Kit Contents:
x1 Exhaust Heat Exchangers (Pair) (3606001102)
x1 Exhaust Pre Silencer (3606501101/1)
x1 Rear Silencer With Valves (3606001103)
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:
- Improves exhaust gas flow by reducing backpressure
- Enhances engine performance and throttle response
- Produces a sportier, GT3-inspired exhaust sound
- Reduces overall system weight compared to stock exhausts
- Provides a complete exhaust solution with mounting hardware included
Symptoms Of Wear Or Failure (Stock System):
- Exhaust leaks from corroded pipes or joints
- Rust or corrosion on silencers and pipes
- Reduced engine performance due to restricted airflow
- Excessive exhaust noise from damaged components
- Loose or failing mounting hardware Visible cracks or structural fatigue
Why Replacement Matters:
- Restores and improves exhaust flow, boosting engine efficiency
- Enhances sound quality, delivering a sportier driving experience
- Prevents exhaust leaks and associated performance issues
- Reduces weight and improves responsiveness
- Provides long-term durability with stainless steel construction
- Ideal for restoration or performance upgrades, maintaining Porsche character with improved output
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT911.1.1
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
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