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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram

Milltek Sport

About Milltek Sport

Milltek Sport for Porsche

Milltek Sport exhausts for Porsche are produced in high quality type-304 aircraft grade stainless steel. This material is anti-magnetic and less susceptible to discolouration, and is used for all pipework and the full construction of the silencer. Mandrel bending is employed to maintain full-bore bends for better gas flow, and Milltek systems typically use an increased bore to support performance while aiming to retain mid-range torque. All Milltek exhausts are designed, developed and manufactured in-house in the UK and supplied for Porsche applications via Design911.

A Quick Look at Milltek Sport

Milltek Sport information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.

Choosing the Right Fit for Your Porsche

Where Milltek Sport is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, body style, engine variant, side or position, and connector type or valve control where relevant. Exhaust choice should also take into account sound level (resonated vs non-resonated), use of valves, and compatibility with any existing or planned tuning modifications.

  • Typical reasons people replace these parts include upgrading from a corroded or restrictive factory system, changing the sound character, and supporting other performance modifications while maintaining reputable build quality and fitment.
  • Common symptoms that prompt inspection include drone at certain RPM, rattles, blowing joints, exhaust leaks, and valve or actuator issues on valved systems, sometimes made worse by tired mounts or mixed old/new hardware.
  • Practical installation tips include refreshing mounts, clamps and gaskets, checking heat shield and undertray clearances, and only fully tightening fixings once alignment and tip position are correct.
  • Sound level, drone and legality can vary with configuration and local rules, so always review product notes and any emissions information for your specific Porsche model.

Browse by Category

If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.

Engine Tuning — Engine tuning parts and software for Porsche are used to refine drivability, support hardware changes such as intake, exhaust or forced induction, and address issues like flat spots or poor running when the existing calibration no longer suits the engine setup.

  • Have the engine mechanically checked (compression/leak-down, boost or vacuum leaks, fueling and cooling health) before tuning, as calibration changes cannot correct underlying faults.
  • Review sensor data and existing fault codes so that any misfires, knock events or mixture issues are resolved prior to mapping.

Exhaust Packages — Exhaust packages group compatible components such as headers, catalysts, silencers and tailpipes to improve flow, sound and durability on Porsche models, while reducing the risk of mixing mismatched parts.

  • Consider how changes to catalysts and noise levels may affect local emissions or inspection requirements, especially on road-driven cars.
  • Plan for replacement gaskets, clamps, mounts and fixings, and be prepared to deal with rusted or seized hardware during installation.

Exhausts — Exhaust systems for Porsche range from near-OE replacements to full performance setups aimed at changing tone, reducing weight or improving gas flow to suit tuned engines.

  • Watch for signs such as blowing or ticking noises, corrosion, rattles, soot marks at joints, exhaust smell, or emissions warnings, which can all indicate exhaust issues.
  • When changing an exhaust, it is usually wise to replace gaskets, clamps and any corroded fasteners, and to check hanger condition and alignment to minimise vibration and drone.

Exhaust Package — Complete exhaust system packages for Porsche bundle manifolds, silencers, catalytic converters and connecting pipes into a matched kit designed for a particular balance of sound, flow and refinement.

  • Using a proven package can reduce the chance of combining parts that create unwanted drone, clearance issues or tuning mismatches.
  • On more heavily modified setups, consider whether a calibration update is advisable after major changes to headers or catalysts.

Milltek Sport Exhaust — Milltek Sport exhaust systems for Porsche use type-304 stainless steel and mandrel-bent pipework to offer a durable, free-flowing alternative to factory exhausts, with options aimed at different sound levels and configurations.

  • Select between resonated, non-resonated and valved options according to how you use the car and your tolerance for cabin sound and drone.
  • Allow time during fitting to fine-tune alignment, tip position and valve operation (where applicable), and use new clamps and gaskets to help prevent future leaks or rattles.

Explore Milltek Sport at Design911

View the current Milltek Sport range for Porsche at Design911, then filter by model and category to narrow down to the right parts.

DISPLAYING 17 to 32 (of 94 products)
1 2 3 4 >>
SSXPO198
Product Information
Product Information
Milltek Sports Exhaust With PSE Equipped Cars Only With GT-115 Polished Tips.

Fits:
Porsche 991.2 3.0L T / S / GTS 2015>>2019

Parts Assembly:
MSPO293 - Rear Silencer With Valves
MSTIP250 - x2 4.5" Polished Tips

Pipe Diameter: 
2.50" (63.50mm)

Tailpipe: 
115mm GT115


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

SSXPO198
9P1251053A
9P1251053C
9P1251053B
9P1251053D

The product you are viewing cross references to these numbers
SSXPO199
Product Information
Product Information
Milltek Sports Exhaust With PSE Equipped Cars Only With GT-115 Cerakote Black Tips.

Fits:
Porsche 991.2 3.0L T / S / GTS 2015>>2019

Parts Assembly:
MSPO293 - Rear Silencer With Valves
MSTIP251 - x2 4.5" Cerakote Black Tips

Pipe Diameter: 
2.50" (63.50mm)

Tailpipe: 
115mm GT115


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

SSXPO199
9P1251053A
9P1251053C
9P1251053B
9P1251053D

The product you are viewing cross references to these numbers
SSXPO201
Product Information
Product Information
Milltek Sports Exhaust With PSE Equipped Cars Only With GT-115  Burnt/Blue Titanium Tips.

Fits:
Porsche 991.2 3.0L T / S / GTS 2015>>2019

Parts Assembly:
MSPO293 - Rear Silencer With Valves
MSTIP253 - x2 4.5" Burnt Titanium Tips

Pipe Diameter: 
2.50" (63.50mm)

Tailpipe: 
115mm GT115


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

SSXPO201
9P1251053A
9P1251053C
9P1251053B
9P1251053D

The product you are viewing cross references to these numbers
SSXPO200
Product Information
Product Information
Milltek Sports Exhaust With PSE Equipped Cars Only With GT-115 Brushed Titanium Tips.

Fits:
Porsche 991.2 3.0L T / S / GTS 2015>>2019

Parts Assembly:
MSPO293 - Rear Silencer With Valves
MSTIP252 - x2 4.5" Brushed Titanium Tips

Pipe Diameter: 
2.50" (63.50mm)

Tailpipe: 
115mm GT115


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

SSXPO200
9P1251053A
9P1251053C
9P1251053B
9P1251053D

The product you are viewing cross references to these numbers
SSXPO203
Product Information
Product Information
Milltek Hi-flow Sports Catalyst With HJS HD 200CPSI Cats.

Fits:
Porsche 991.2 3.0L T / S / GTS 2015>>2019

Parts Assembly:
MSPO294 - LH Cat Assembly
MSPO295 - RH Cat Assembly

Pipe Diameter: 
2.50" (63.50mm)


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

SSXPO203
9P1254400H
9P1254400HX
9P1254400J
9P1254400JX
9P1254500HX
9P1254500H
9P1254500J
9P1254500JX

The product you are viewing cross references to these numbers
SSXPO193
Product Information
Product Information
The Milltek GPF-Back Exhaust System redefines your driving experience. By replacing your factory exhaust with Milltek's wider, precision-engineered pipework, you'll experience a sharper throttle response, improved engine efficiency, and a striking aesthetic that complements your vehicle’s high-performance nature. 

Fits:
Porsche 718 Cayman GT4 - Only for OPF/GPF equipped vehicles with Porsche's PDK transmission*
Porsche 718 Boxster Spyder - Only for OPF/GPF equipped vehicles with Porsche's PDK transmission*
Porsche 718 Cayman GTS 4.0L - Only for OPF/GPF equipped vehicles with Porsche's PDK transmission*
Porsche 718 Boxster GTS 4.0L - Only for OPF/GPF equipped vehicles with Porsche's PDK transmission*

Parts Assembly:
MSPO269: LH Valve Assembly
MSPO286: LH Mounting Bracket - PDK Cars Only
MSPO287: RH Mounting Bracket - PDK Cars Only
MSPO270: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP244: x2 Jet-115 Carbon Trims

Pipe Diameter: 
2.37" (60.30mm)
Tailpipe: 115mm JET-115

NOTE: This system is compatible exclusively with 718 models that feature a petrol particulate filter (PPF) and Porsche's PDK transmission. PPFs were installed on 718 models manufactured after February 2020. If you are uncertain whether your vehicle is equipped with a PPF, please feel free to contact us with your VIN number for confirmation.

Why purchase a Milltek sport exhaust?

Sharper Throttle Response...
Enjoy quicker engine response with optimized airflow and enhanced performance, improving the overall driving experience.


Substantial Weight Savings... 

Lighter than the original exhaust system, reducing overall weight for improved agility and handling.

Premium T304L Aircraft-Grade Stainless Steel... 

Built from anti-magnetic, high-quality stainless steel that resists discoloration, offering excellent durability and performance.

Mandrel Bending for Better Gas Flow... 

The system uses mandrel bending for full-flow bends, allowing exhaust gases to flow freely and boosting engine efficiency without sacrificing mid-range torque.

Lifetime Guarantee... 

Milltek systems come with a lifetime guarantee for the original purchaser, offering peace of mind. (Excludes cats and flexes)

Designed and Manufactured in the UK...

Since 1983, Milltek has been designing and building exhaust systems with over 40 years of technical expertise, ensuring the highest quality and precision.

Ever-Expanding Range of Performance Exhausts... 

Milltek offers a continuously expanding selection of exhaust systems tailored for performance vehicles like your Porsche.

--Pipe diameter equals 60.3mm / 2.37 inches.
--Please note that this product does not have official certification for use in Europe.



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

SSXPO193
982251053F
982251053H
982251053K
982251053E
982251053D
982251053G

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
SSXPO147
Product Information
Product Information

Milltek Sports Exhaust With Catalytic Converter Replacement Pipe With Burnt Titanium GT-100 Trims.

Fits:
Porsche 718 Boxster GTS 2.5L 2016>>2020
Porsche 718 Cayman GTS 2.5L 2016>>2020

Exhaust System Including Catalytic Converter By-Pass Pipe
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: GT-100

For Track Use ONLY!

Parts Assembly:
MSPO256REP: Catalytic Converter Bypass Pipe
MSPO257: Connecting Pipe
MSPO251: LH Front Connecting Pipe
MSPO252: RH Front Connecting Pipe
MSPO253: LH Rear Connecting Pipe
MSPO254: RH Rear Connecting Pipe
MSPO255: Rear Silencer Balance Pipe
MSTIP194: x2 Burnt Titanium GT-100 Trims

For Track Use ONLY!
Requires Stage 2 ECU Software



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

SSXPO147
982251052E
982251052F
982251052G
982251052J
982251052L
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L

The product you are viewing cross references to these numbers
SSXPO181
Product Information
Product Information
Milltek Sport Exhaust Rear Silencer For Porsche Sports Exhaust (PSE)

Fits:

Porsche 991.1 3.8ltr Carrera 2S 2011>>2015
Porsche 991.1 3.8ltr Carrera 4S 2011>>2015

Pipe Diameter: 
2.76" (70.00mm)

Parts Assembly:
MSPO279: Rear Silencer for Porsche Sports Exhaust (PSE)

MSPO280: LH Valved Outlet Pipe
MSPO281: RH Valved Outlet Pipe



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

SSXPO181
99111143705
99111143706
99111143707
99111143708

The product you are viewing cross references to these numbers
SSXPO133
Product Information
Product Information
Milltek GT-100 Brushed Titanium Tailpipe Trims.

Fits:
Porsche 991.2 GT3 2018>>2020
Porsche 991.2 GT3 RS 2018>>2020
For Original Porsche Exhaust System

Parts Assembly:
MSPO250: Trim Mounting Plate
MSTIP201: x2 4.0" Brushed Titanium Tips

Tailpipe: 
100mm GT100


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

SSXPO133
99111125390
99111125393
99111125391
99111125392
99111125395
99111125380
99111125791
9GT251697F

The product you are viewing cross references to these numbers
SSXPO132
Product Information
Product Information
Milltek GT-100 Cerakote Black Tailpipe Trims.

Fits:
Porsche 991.2 GT3 2018>>2020
Porsche 991.2 GT3 RS 2018>>2020
For Original Porsche Exhaust System

Parts Assembly:
MSPO250: Trim Mounting Plate
MSTIP200: x2 4.0" Cerakote Black Tips

Tailpipe: 
100mm GT100B


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

SSXPO132
99111125390
99111125393
99111125391
99111125392
99111125395
99111125380
99111125791
9GT251697F

The product you are viewing cross references to these numbers
SSXPO131
Product Information
Product Information
Milltek GT-100 Polished Tailpipe Trims.

Fits:
Porsche 991.2 GT3 2018>>2020
Porsche 991.2 GT3 RS 2018>>2020
For Original Porsche Exhaust System

Parts Assembly:
MSPO250: Trim Mounting Plate
MSTIP199: x2 4.0" Polished Tips

Tailpipes: 
100mm GT100


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

SSXPO131
99111125390
99111125393
99111125391
99111125392
99111125395
99111125380
99111125791
9GT251697F

The product you are viewing cross references to these numbers
SSXPO180
Product Information
Product Information
Milltek Sports Exhaust Rear Silencers With Carbon Jet GT-115 Tailpipe Trims.

Fits:
Porsche Macan 95B MK2 GTS 2.9L V6 2021>> (Facelift Models Only)
Porsche Macan 95B MK2 Turbo 2.9L V6 2021>> (Facelift Models Only)

Valved Rear Silencers - Works With OE Porsche Sports Exhaust (PSE) Switch And Requires OE System Cutting

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 115 JET

Parts Assembly:
MSPO275: LH Rear Silencer
MSPO276: RH Rear Silencer
MSPO277: LH Valved Outlet
MSPO278: RH Valved Outlet
MSTIP244: x4 Carbon Fibre 4.5" Trims

Item Is Special Order
Delivery Time Approx 5-6 Weeks

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

SSXPO180
95B253601DY
95B253600CY
95B22261MY
95B253611MY
95B253600DY
5B253601EY

The product you are viewing cross references to these numbers
SSXPO179
Product Information
Product Information
Milltek Sports Exhaust Rear Silencers With Burnt Titanium GT-115 Tailpipe Trims.

Fits:
Porsche Macan 95B MK2 GTS 2.9L V6 2021>> (Facelift Models Only)
Porsche Macan 95B MK2 Turbo 2.9L V6 2021>> (Facelift Models Only)

Valved Rear Silencers - Works With OE Porsche Sports Exhaust (PSE) Switch And Requires OE System Cutting

Pipe Diameter: 2.76" (70.00mm)
Tailpipes: 115 GT

Parts Assembly:
MSPO275: LH Rear Silencer
MSPO276: RH Rear Silencer
MSPO277: LH Valved Outlet
MSPO278: RH Valved Outlet
MSTIP253: x4 Burnt Titanium 4.5" Trims

Item is Special Order
Delivery Time Approx 5-6 Weeks

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

SSXPO179
95B253601DY
95B253600CY
95B253612MY
95B253611MY
95B253600DY
95B253601EY

The product you are viewing cross references to these numbers
SSXPO178
Product Information
Product Information
Milltek Sports Exhaust Rear Silencers With Brushed Titanium GT-115 Tailpipe Trims.

Fits:
Porsche Macan 95B MK2 GTS 2.9L V6 2021>> (Facelift Models Only)
Porsche Macan 95B MK2 Turbo 2.9L V6 2021>> (Facelift Models Only)

Valved Rear Silencers - Works With OE Porsche Sports Exhaust (PSE) Switch And Requires OE System Cutting

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 115 GT

Parts Assembly:
MSPO275: LH Rear Silencer
MSPO276: RH Rear Silencer
MSPO277: LH Valved Outlet
MSPO278: RH Valved Outlet
MSTIP252: x4 Titanium 4.5" Trims

Item is Special Order
Delivery Time Approx 5-6 Weeks

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

SSXPO178
95B253601DY
95B253600CY
95B253612MY
95B253611MY
95B253600DY
95B253601EY

The product you are viewing cross references to these numbers
SSXPO177
Product Information
Product Information
Milltek sports exhaust rear silencers with Cerakote Black GT-115 Tailpipe Trims

Fits:
Porsche Macan 95B MK2 GTS 2.9L V6 2021>> (Facelift Models Only)
Porsche Macan 95B MK2 Turbo 2.9L V6 2021>> (Facelift Models Only)

Valved Rear Silencers - Works With OE Porsche Sports Exhaust (PSE) Switch And Requires OE System Cutting

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 115 GT

Parts Assembly:
MSPO275: LH Rear Silencer
MSPO276: RH Rear Silencer
MSPO277: LH Valved Outlet
MSPO278: RH Valved Outlet
MSTIP251: x4 Cerakote Black 4.5" Trims

Item Is Special Order
Delivery Time Approx 5-6 Weeks

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

SSXPO177
95B253601DY
95B253600CY
95B253612MY
95B253611MY
95B253600DY
95B253601EY

The product you are viewing cross references to these numbers
DISPLAYING 17 to 32 (of 94 products)
1 2 3 4 >>