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Porsche 991.2 Carrera Base (without PSE) Cat Bypass Pipes - Product
Porsche 991.2 Carrera Base (without PSE) Cat Bypass Pipes – Stock Comparison
Porsche 991.2 Carrera Base (without PSE) Cat Bypass Pipes - Detail
Porsche 991.2 Carrera Cat bypass pipes with 02 spacers, without PSE - Soul Performance Parts
Porsche 991.2 Carrera Base (without PSE) Cat Bypass Pipes - Fabrication
Porsche 991.2 Carrera (without PSE) Cat Bypass Pipes - Installed 2
Porsche 991.2 Carrera (without PSE) Cat Bypass Pipes - Installed Detail
Porsche 991.2 Carrera (without PSE) Cat Bypass Pipes - Installed

Porsche 991.2 Carrera Base / S (without PSE) Cat Bypass Pipes

$1,777.50 – $1,831.50

Soul Performance Products Cat Bypass Pipes replace the restrictive factory catalysts with free flowing straight pipes to unlock an invigorating increase in turbo sound, engine note, and throttle response. Revel in the new sensation of sounds as the turbos sing and exhaust crackles on deceleration while enjoying the extra kick of increased power.

+  Fits all Porsche 991.2 Carrera vehicles without Porsche Sport Exhaust / PSE (2017+)
+  Designed and built in-house at our Willow Grove, PA facility
+  Retains use of factory turbo heat shields
+  All Soul Performance Products exhaust components are backed by a renowned Lifetime Warranty for both street and track use

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Description

DEVELOPMENT AND TESTING:  We selected 3″ diameter piping to maximize exhaust flow and the sound of the turbos spooling – and oh do you hear them now. It was also important that we retain use of the factory heat shields as to not heat soak the components around the turbos. As expected, there are large gains to be had when pairing the free flowing bypass pipes with an ECU Tune.

CONSTRUCTION:  Each set is assembled out of thick wall .065″ T304L stainless steel and rigorously quality checked in-house. Smooth mandrel bends and thick flanges ensure product longevity.

BOLT ON AND GO:  Each product is tested in a fixture to ensure perfect fitment then foam packed to ensure it arrives in perfect condition. Thorough installation instructions are included in the box for a straightforward install that can be performed by most DIY enthusiasts.

CHECK ENGINE LIGHT?:  This product may trigger a check engine light due to removal of factory catalytic converters. O2 Spacers are available to reduce any chances of triggering a CEL. We suggest a custom ECU tune to disable any check engine lights (for track use only).

LIFETIME WARRANTY:  Enjoy your SOUL exhaust components with confidence on both the street and track as they are covered by our Lifetime Warranty! Our team will quickly work with you to resolve any questions or issues that you may have.

NOTES
+  This product is not CARB certified and may not be legal for use on emissions controlled vehicles; intended for off road / competition use only due to removal of factory catalytic converters
+  United States based customers purchasing this product are required to sign our Catless Exhaust Component Waiver here.

Reviews

  1. Mark S –

    I have had the 991.2 Base (non PSE) bypass pipes (without cats) on the car now for 1500 miles, including two track days and a bunch of fast road miles.

    The pipes looked good when they arrived and fitted up perfectly first time without removing the rear bumper and without issue. The best tip I can give anyone asking their tech to install these (and assuming spacers are being fitted at the same time) is that they un-clip the O2 sensor wire hardness (lower clips only – up inside the engine bay – its a job done by feel from under the car), to allow the sensor wires more room to move when fitted to the ends of the spacers. Otherwise there is a bit of tension on teh wire leads – the sensor probe is now turned 90 degrees as its fitted into a spacer rather than direct into the pipe etc.

    The pipes immediately made more noise. Not too loud, certainly not an issue in terms of annoying the neighbors. Cold cycle is quite loud but settles down nicely after 30’s as usual. On the run the volume in the cabin is probably only 10-15% louder than stock. I did not get any cackling or popping on over run with these (my car does not have PSE and therefore not programmed to over fuel to create pops and bangs). my car is MT. Outside the car I should say we are probably talking 20% louder. If you want really noticeable volume increase I would remove the rear center muffler as well with a cross pipe etc. I didn’t want to go this loud.

    The biggest benefit of these bypass pipes for me – apart from the useful weight saving – was the improved torque. You can definately notice the difference after having these fitted (although I have now become conditioned and look forward instead to an ECU tune!). The car has more mid-range torque (according to my bum dyno), and pulls harder for longer. I would say these pipes have freed up some useful power. On the track the car is quicker too although its difficult to say by how much but it is able to muster more torque for corner exit.

    After 1500 miles the pipes have turned a nice golden colour. The rear centre muffler is definitely seeing more heat now the cats are gone and had turned a dark honey colour in places. This is as I expected having done exhaust mods on my 993 and 991 GT3 both of which saw a lot of track use.

    For the money and time to install (less than 2 hours) these really are a “no-brainer”. They sound better, save weight and make more power all round. Im very happy and would recommend them. I have posted afew pictures and will post some before and after videos soon.

    Thanks to Mike and the team at Soul Performance. Great product, nicely constructed (welds were excellent) and great value too.

  2. Efrain Irizarry –

    I had purchased a set of pipes for my 991.2. They were awesome. In the spirit of more ….. I purchased a set of sport cat deletes. WOW… WOW… WOW. The beast has awakened!!!! I have to give a shout out to John B. that resolved an issue with my order. They have been awesome over the phone and via email. Soul has my soul!

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