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Valved Rear central Exhaust - .1 - Porsche 911 (991 PSE / 991)

Valved Rear central Exhaust - .1 - Porsche 911 (991 PSE / 991)

Fits 2 generations

911 (991-1) PSE2011 - 2015 911 (991-1)2011 - 2015
Range Valves Twin character - discreet valves closed, expressive valves open.
Compare options for my car Learn about the range

Listen to the sound signature

A/B comparison - same take, valves toggled.

Valves closed

Porsche 911 (991-2) · static revs

Valves open

Porsche 911 (991-2) · static revs

A Scart exhaust is felt in the chest as much as it's heard. This clip only carries the audible dimension - the physical vibration is missing.

All 991-1 sounds
£2,691.00 GBP
£2,691.00 GBP
Sale Sold out
Taxes included.

Fits: all Porsche 991.

The entire sound of the 991 lives in this rear centre muffler - nothing in the side mufflers. This valve version delivers a very powerful sound with the valves open and stays close to stock with them closed. All our 991 mufflers have an adjustable side for a stress-free fit.

Fitting

  • Strictly original interfaces (inlets, outlets, dimensions): direct replacement of the original part
  • Mounts directly at the catalytic converter outlets
  • Average fitting time: 8 hours including removal. The rear bumper must come off: the air filters are accessible there, a good opportunity to switch them to sport versions
  • A lift is preferable but not essential; removing the original exhaust is fairly easy
  • Tighten all nuts progressively, then the clamp last
  • Fitting kit included: gaskets, stainless bolts, stainless lock nuts, high-temperature copper grease and the 2 straps

Also in our range

  • Sport version without valves - Reference: SCA 991 3 2

Description détaillée

This central muffler fits on:

> All 991

All the sound of the 991 is in this rear center muffler and nothing in the side mufflers. This version with valves allows to obtain both a very powerful sound in the open position and close to the original in the closed position. All our 991 mufflers have an adjustable side to be able to adjust the muffler without constraint.

We also have in our range:
> A sports version without valve - (Reference: SCA 991 3 2)

Our exhausts all have the original interfaces, meaning that their inlets, outlets and dimensions are consistent with the original part.

This muffler is mounted directly at the catalyst outlet.

The average installation time, including removal of the original exhaust, for this exhaust is 8.0 hours. It is necessary to remove the rear bumper. This is also where the air filters are located. Therefore, we recommend changing them to a sports version at this time.

Using a lift is preferable but not essential. Removing the original exhaust is fairly easy. Tightening the nuts should always be done gradually on all the nuts. Then the clamp last.

To ensure the best possible assembly of all our exhausts, we include in the price a mounting kit with gaskets, stainless steel screws, all-stainless steel lock nuts and high-temperature copper grease as well as the 2 straps. We recommend applying copper grease to the screw threads and the joint faces during assembly.

2.5.0.0

Inox 304L
hand-polished
TIG welded
by hand
Made in France
Scart workshop
10-year warranty
parts and craft
View full details
991-1

9 owner testimonials

From 991-1 owners

Posted by our customers on scart.com between 2014 and 2024.

I was torn between an exhaust with or without valves, so I called beforehand and opted for the version without valves (assuming, among other things, that they would be open all the time anyway :)). I fitted the exhaust easily and after 500 km I have no regrets, the compromise is just perfect. At a steady speed it's relatively discreet, and under acceleration / deceleration it's... a treat! Experience makes the difference, and when I had a question during installation, one phone call and I had the answer I needed in 2 minutes. I highly recommend Scart for their professionalism, availability and product quality! Read more
I was torn between an exhaust with or without valves, so I called beforehand and opted for the version without valves (assuming, among other things, that they would be open all the time anyway :)). I fitted the exhaust easily and after 500 km I have no regrets, the compromise is just perfect. At a steady speed it's relatively discreet, and under acceleration / deceleration it's... a treat! Experience makes the difference, and when I had a question during installation, one phone call and I had the answer I needed in 2 minutes. I highly recommend Scart for their professionalism, availability and product quality!
Simon 991 I Translated from French
A handmade all-stainless-steel jewel case, for a stunning sound result on a 991! Absolutely no relation to the sport exhaust offered as an option by Porsche. We are in another world, that of the racetrack: at low revs, in the rush upward or on the way down through the revs! I kept in mind my 2 Carlsson and Brabus lines on two V8s (AMG) and never thought I would one day find MY NEW SOUND REFERENCE on a Flat Six. Practical too, the very discreet switch on the steering wheel, which lets you get back to a "stock" sound level, just a bit more metallic. Bravo to the team, and thank you for the very instructive tour of the manufacturing and fitting workshops. Thierry Read more
A handmade all-stainless-steel jewel case, for a stunning sound result on a 991! Absolutely no relation to the sport exhaust offered as an option by Porsche. We are in another world, that of the racetrack: at low revs, in the rush upward or on the way down through the revs! I kept in mind my 2 Carlsson and Brabus lines on two V8s (AMG) and never thought I would one day find MY NEW SOUND REFERENCE on a Flat Six. Practical too, the very discreet switch on the steering wheel, which lets you get back to a "stock" sound level, just a bit more metallic. Bravo to the team, and thank you for the very instructive tour of the manufacturing and fitting workshops. Thierry
Thierry TRUMEAU 991 I Translated from French
Read all 9 991-1 testimonials