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DISPLAYING 1 to 14 (of 14 products)
EXHAUSTKIT24
Product Information
Product Information
DesignTek Sports Exhaust + Headers + Cat Bypass Package

DesignTek 996 Performance exhaust package. High Grade stainless steel exhaust system for Porsche 996 1998-2004.
Made from 14 - 16 gauge T304 stainless steel.

Includes Sports mufflers, Equal length sports headers and sports cats bypass pipes.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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Related, superseded, cross reference or alternative numbers for comparison.

EXHAUSTKIT24
3606009602
3606309601
3606209961
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154

The product you are viewing cross references to these numbers
EXHAUSTKIT27
Product Information
Product Information
Sports Exhaust + Cat bypass Package with fittings.

designtek

DesignTek 996 Performance exhaust package. High Grade stainless steel exhaust system for Porsche 996 1998-2004.
Made from 14 - 16 gauge T304 stainless steel.

Includes Sports Exhaust and Sports Cat bypass pipes, really feel and superb sports car sound.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

EXHAUSTKIT27
3606009602
3606309601
3606209961
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154
99611111350
99906402601
90007428702
90008308000
90012305020
N0138322
99908405202
99711152000
99611110800
90037818301
90037810501
90038000501

The product you are viewing cross references to these numbers
EXHAUSTKIT28
Product Information
Product Information
Sports Exhaust VALVETROINC + X-Pipe Design 200 Cell Sports Cats Package

designtek

DesignTek Valvetronic sports exhaust system. Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.

DesignTek sports racing catalytic converters give a HORSEPOWER and TORQUE gain to all 996 cars. High Quality T304 SS C.N.C. mandrel bent tubing for maximum exhaust flow.

The X-Pipe design has increased deeper sound with increased BHP. German imported 200 cell high-flow sport catalytic converters for reduced back pressure and less restriction.

PLEASE NOTE THESE CATS MAY REQUIRE A REMAP TO ENSURE NO DASHBOARD LIGHTS - Please contact us regarding this!

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

EXHAUSTKIT28
3606109963
3606009614
FITTINGKIT27
96300KIT

The product you are viewing cross references to these numbers
EXHAUSTKIT34
Product Information
Product Information
Sports Exhaust + 200 Cell X-Pipe Ø55mm Sports Cats Package

designtek

DesignTek 996 Stage 1 Performance package. High Grade stainless steel exhaust system for Porsche 996 1998-2004. 14 - 16 gauge T304 stainless steel.

Includes sports mufflers, 200 cell sports cats giving that you can really feel and superb sports car sound.
Fitting clamps in the images are not included

PLEASE NOTE THESE CATS MAY REQUIRE A REMAP TO ENSURE NO DASHBOARD LIGHTS - Please contact us regarding this!

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

EXHAUSTKIT34
3606009602
3606109963
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154
99611111350
99906402601
90007428702
90008308000
90012305020
N0138322
99908405202
99711152000
99611110800
90037818301
90037810501
90038000501

The product you are viewing cross references to these numbers
EXHAUSTKIT76
Product Information
Product Information
Sports exhaust + 200 cell sport catalytic converter + tail pipe set

designtek


Fits:
Porsche 996 C2 / C4 3.4L engines

PLEASE NOTE: Fitting clamps in the images are not included. Available separately.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.



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

EXHAUSTKIT76
99622096330S
3606109961
99611196901S
3606009602
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154

The product you are viewing cross references to these numbers
EXHAUSTKIT96
Product Information
Product Information
DesignTek Sports Exhaust + Headers + 200 Cell Exhaust Catalytic Converter

DesignTek 996 Exhaust package. High Grade exhaust system for Porsche 996 1998-2004.

Includes sports mufflers, Equal length headers, Replacement Exhaust Catalytic Converter giving that nice deep sound you can really hear and feel the extra power sports.

Fitting clamps in the images are not included.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

EXHAUSTKIT96
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154

The product you are viewing cross references to these numbers
99622096300SEXP
Product Information
Product Information
Exhaust set sports rear in stainless steel. 'Sound Version'. 

danskmotorsport

Fits:
Porsche 996 3.4-3.6L C2 / C4 / C4S 1997-05

Check the product gallery to see benefits of Dansk exhaust.



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

99622096300SEXP
1620601110
96300SEXP
99611121000
96.300SEXP
99611112155
99611112170
99611112156
99611112157
99611113154
99611112256
99611112270
99611112257
99611113254

The product you are viewing cross references to these numbers
3606009602
Product Information
Product Information
Exhaust Muffler / Silencer Sports  
(SET OF 2 Left & Right)

DesignTek Stainless steel sport exhaust, produced to give a deeper fuller sound that the standard factory exhaust boxes. Tail pipes are not included the factory tail pipes can be used with this system.

Fits:
Porsche 996 C2
Porsche 996 C4
Porsche 996 C4S

Sound = slightly deeper more than the factory standard exhaust

French
Silencieux / Silencer Sport DesignTek pour Porsche 996 Carrera
DesignTek inoxydable échappement sport en acier , pour donner un produit que les boîtes d'échappement standard d'usine complète son plus profond.

German
Auspuff / Schalldämpfer Sport DesignTek für Porsche 996 Carrera

DesignTek Edelstahl Sportauspuff , hergestellt , um ein tieferes volleren Klang , dass die Standard-WerksabgasBoxen geben.

Norwegian
Eksos lyddemper / Silencer Sports DesignTek for Porsche 996 Carrera

DesignTek Rustfritt stål sport eksos , produsert for å gi en dypere fyldigere lyd som standard fabrikk eksos bokser.

Dutch
Uitlaat Uitlaat / Knalpot Sport DesignTek voor Porsche 996 Carrera

DesignTek RVS sport uitlaat, geproduceerd om een diepere voller geluid dat de fabriek standaard uitlaat dozen geven .



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

3606009602
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154

The product you are viewing cross references to these numbers
3606009611
Product Information
Product Information

Exhaust Muffler / Silencer Sports SUPREMACY. DesignTek for Porsche 996

Sound = Much deeper than the factory standard exhaust but not too loud   (SET OF 2 Left & Right)

Made in the UK
designtek gb 

Fits:
Porsche 996 C2, C4, C2S, C4S 1997-2004
Porsche 996 GT3

This sports exhaust set conveys the sound of power, presence and natural sporting presence the 911 needs. Built with a large diameter chamber bypass pipe the engine note changes with more aggressive throttle.

DesignTek Sports SUPREMACY system exhaust made from High Grade stainless steel.

Made from 14 - 16 gauge T304SS, polished mirror finish, Giving a good really feel, superb super sound, Designed to give an open throttle sound and more aggressive at medium and high speeds.

We also have a wide selection of s/steel tail pipes.



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

3606009611
99611112257
99611113254
99611198404
99611113274
99611113275
99611113270
99611198405
99611113168
99611198504
99611113174
99611113175
99611113170
99611198505
99611112157
99611113154

The product you are viewing cross references to these numbers
99622096300S
Product Information
Product Information
Exhaust set sports rear, 60mm inside/outside tubing, stainless steel polished. with TÜV/EEC approval Porsche 996 Carrera

danskmotorsport   tuv

Fits:
Porsche 996 (not GT3, Turbo and GT2) 3.4L-3.6L 09/1997-08/2005

TUV approval for 3.4ltr engine

Check the product gallery to see benefits of Dansk exhaust.



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

99622096300S
1620601010
96300S
96.300S
99622096300SGT3
705331061
99611112155
99611112170
99611112156
99611113154
99611113156
99611112256
99611112270
99611112257
99611113254
99611113276
99611113157
99611113177
99611113168
99611113166
99611113174
99611113266
99611113274

The product you are viewing cross references to these numbers
99622096330S
Product Information
Product Information
Exhaust set sports rear OE-style in bead blasted stainless steel. with TÜV/EEC approval (3.4ltr)

danskmotorsport   tuv

Fits:
Porsche 996 C2 / C4 3.4ltr - 1997 to 08/2001 -  With TÜV/EEC approval for 3.4ltr engine
Porsche 996 C2 / C4 / C4S 3.6ltr - 09/2001 to 2005

Check the product gallery to see benefits of Dansk exhaust.

This exhaust is recommended especially to Cabriolet owners. OE style construction eliminates any possible droning from exhaust.
The drive is pleasant with the cabrio top down.



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

99622096330S
1620602210
96330S
99611121000
96.330S
705332040
99611112155
99611112156
99611112157
99611112255
99611112256
99611112257
99611113154
99611113157
99611113168
99611113254
99611113257
99611113268

The product you are viewing cross references to these numbers
SSXPO183
Product Information
Product Information
Milltek Sport Exhaust Valved Rear Silencers For Care Equipped With Porsche Sports Exhaust (PSE)
Sold As A Pair.


Fits:

Porsche 996 Carrera 2 / Carrera 4 1997>>2005
Porsche 996 Carrera 4S 1997>>2005

Parts Assembly:
MSPO284: Left Hand Rear Silencer For Porsche Sports Exhaust (PSE) Including Valves

MSPO285: Right Hand Rear Silencer For Porsche Sports Exhaust (PSE) Including Valves

Pipe Diameter: 
2.50" (63.50mm)

Please Note
Uses OE Tailpipes



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

SSXPO183
99611198404
99611198504
00004420018
99660512301
7PP906270
00004420019
00004420021

The product you are viewing cross references to these numbers
SSXPO019
Product Information
Product Information
Milltek Sports "Cup" Exhaust In Stainless Steel, Made To Produce A Deeper Fuller Sound.

Fits:
Porsche 996 C2 / C4 / C4S 1998>>2004

Sound: Race Car Deep, Like A Cup Car

Pipe Diameter: Pipes 2.50-inch (63.50mm)

Parts Assembly:
MSPO220: LH Rear Silencer Assembly
MSPO221: RH Rear Silencer Assembly

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

SSXPO019
99611112155
99611112156
99611112157
99611112170
99611113154
99611112256
99611112257
99611112270
99611113254

The product you are viewing cross references to these numbers
EX16
Product Information
Product Information
Rear muffler delete set Cup Style.
Not for road/street use

rennline

Fits:
Porsche 996 Carrera 2 - 1999 to 2004
Porsche 996 Carrera 4 - 1999 to 2004
Porsche 996 GT3 - 2005 to 2005

Product Description

Increase the sound, gain some power and torque while reducing weight at the same time with our new race exhaust for the 996. Both side and center mufflers are deleted and replaced with a free flowing straight pipe design that bolts directly to the manifolds. The result is a lightweight, higher performing, aggressive sounding exhaust that is not for the faint of heart. Designed and manufactured with the passion and quality you have come to expect from Rennline Automotive.

  • Constructed from lightweight titanium
  • Save 44lbs with this exhaust (no tips)
  • Deletes side and center mufflers (check local laws regarding muffler removal)
  • Retains catalytic converters
  • Mounts directly to exhaust manifolds
  • Fits 996 C2/C4/GT3 models only
  • For off road use only

This product cannot be sold to or shipped to customers in the state of California.



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

EX16
99611112156
99611112157
99611113154
99611112256
99611112257
99611113254
99611113257
99611113157
99611113168

The product you are viewing cross references to these numbers
DISPLAYING 1 to 14 (of 14 products)
Also found on these pages
About Sport Silencers / Mufflers

Porsche Sport Silencers & Mufflers - Performance Sound & Exhaust Upgrades

Sport Silencers / Mufflers are designed to enhance the sound, performance, and driving character of your Porsche by improving exhaust gas flow and delivering a more engaging exhaust note. Compared to standard exhaust silencers, sports mufflers reduce restriction, sharpen throttle response, and provide a sportier tone that better reflects Porsche’s performance heritage.

Available from Design911, this category includes both genuine Porsche sport exhaust components and high-quality aftermarket performance mufflers, giving owners the choice between factory-engineered authenticity and performance-focused customisation.

What Do Sport Silencers / Mufflers Do?

Sport silencers optimise exhaust flow while enhancing sound quality.

Core Functions:

  • Reduce exhaust backpressure for improved engine breathing.
  • Enhance throttle response and power delivery.
  • Produce a deeper, sportier exhaust note.
  • Improve exhaust efficiency and flow dynamics.
  • Enhance the overall driving experience.

A well-designed sports muffler balances performance gains with refined sound control.

Why Do Standard Exhaust Silencers Fail or Fall Short?

Standard exhaust mufflers are designed primarily for noise reduction, emissions compliance, and longevity. Over time, common issues include:

  • Internal corrosion from condensation and heat cycles.
  • Restrictive baffling limiting exhaust flow.
  • Dull or muted exhaust sound.
  • Internal baffle breakdown causing rattles.
  • Reduced efficiency when paired with performance upgrades.

As these components age, both performance and sound quality can deteriorate.

Why Upgrade to Sport Silencers / Mufflers?

Sport silencers are engineered to improve both performance and auditory feedback.

Upgrade Benefits:

  • Improved exhaust flow and reduced restriction.
  • Enhanced exhaust sound without excessive drone.
  • Increased driving engagement and responsiveness.
  • Available in OEM Porsche or performance aftermarket options.
  • Ideal for road, touring, and spirited driving.

Upgrading delivers a more exciting exhaust character while supporting engine efficiency.

Highlights

  • Porsche sport silencer and muffler upgrades
  • OEM Porsche and premium aftermarket options
  • Improved exhaust sound, flow, and performance
  • Designed for performance-focused driving
  • High-quality materials for durability and reliability       

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