do not press the back button…
Your Vehicle
Porsche // Panamera 971 MK1 (2017-2020) // 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
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
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
Fits:
Porsche 971 Panamera / 4 / 4 Executive 3.0L V6 2017-18
Please note: The sport sound can be manually activated/deactivated.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044201A
The product you are viewing cross references to these numbers
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
Fits:
Porsche 971 Panamera / 4 / 4 Executive 3.0L V6 2017-18
Please note: The sport sound can be manually activated/deactivated.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044201B
The product you are viewing cross references to these numbers