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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 33 to 48 (of 94 products)
<< 2 3 4 5 >>
SSXPO176
Product Information
Product Information
Milltek Sports Exhaust Rear Silencers With Polished 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
MSTIP250: x4 Polished 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.

SSXPO176
95B253601DY
95B253600CY
95B253612MY
95B253611MY
95B253600DY
95B253601EY

The product you are viewing cross references to these numbers
SSXPO175
Product Information
Product Information
Milltek Sports Exhaust Rear Silencer With Burnt Titanium GT-100 Tailpipe Trims.

Fits:
Porsche 992.1 GT3 2021>>

Rear Silencer - Works With Porsche Sports Exhaust (PSE) Switch Valves

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 100mm GT100

Parts Assembly:
MSPO273: Rear Silencer Assembly inc Valves
MSPO274: Trim Mounting Plate (Cerakote Black)
MSTIP221: x2 4.0" Burnt Ti Trims

Item Is Special Order
Delivery Time Approx 5-6 weeks

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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO175
9GT251052F
9GT251052G
9GT251052D
9GT251052H

The product you are viewing cross references to these numbers
SSXPO174
Product Information
Product Information
Milltek Sports Exhaust Rear Silencer With Brushed Titanium GT-100 Tailpipe Trims.

Fits:
Porsche 992.1 GT3 2021>>

Rear Silencer - Works With Porsche Sports Exhaust (PSE) Switch Valves

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 100mm GT100

Parts Assembly:
MSPO273: Rear Silencer Assembly Inc Valves
MSPO274: Trim Mounting Plate (Cerakote Black)
MSTIP201: x2 4.0" Brushed Titanium Tips

Item Is Special Order
Delivery Time Approx 5-6 Weeks

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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO174
9GT251052F
9GT251052G
9GT251052D
9GT251052H

The product you are viewing cross references to these numbers
SSXPO173
Product Information
Product Information
Milltek Sports Exhaust Rear Silencer With Cerakote Black GT-100 Tailpipe Trims.

Fits:
Porsche 992.1 GT3 2021>>

Rear Silencer - Works With Porsche Sports Exhaust (PSE) Switch Valves

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 100mm GT100B

Parts Assembly:
MSPO273: Rear Silencer Assembly inc Valves
MSPO274: Trim Mounting Plate (Cerakote Black)
MSTIP200: x2 4.0" Cerakote Black Tips

Item Is Special Order
Delivery Time Approx 5-6 weeks

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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO173
9GT251052F
9GT251052G
9GT251052D
9GT251052H

The product you are viewing cross references to these numbers
SSXPO172
Product Information
Product Information
Milltek Sports Exhaust Rear Silencer With Polished GT-100 Tailpipe Trims.

Fits:
Porsche 992.1 GT3 2021>>

Rear Silencer - Works With Porsche Sports Exhaust (PSE) Switch Valves

Pipe Diameter: 2.76" (70.00mm)
Tailpipe: 100mm GT100

Parts Assembly:
MSPO273: Rear Silencer Assembly inc Valves
MSPO274: Trim Mounting Plate (Cerakote Black)
MSTIP199: x2 4.0" Polished Tips

Item Is Special Order
Delivery Time Approx 5-6 Weeks

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

SSXPO172
9GT251052F
9GT251052G
9GT251052D
9GT251052H

The product you are viewing cross references to these numbers
SSXPO171
Product Information
Product Information
Milltek Sports Exhaust Rear Silencer

Fits:
Porsche 992.1 GT3 2021>>

Rear Silencer - Works With Porsche Sports Exhaust (PSE) Switch Valves And Re-Uses Original Tailpipe Trims

Pipe Diameter: 2.76" (70.00mm)

Parts Assembly:
MSPO273: Rear Silencer Assembly Inc Valves

Item is Special Order
Delivery Time Approx 5-6 Weeks

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

SSXPO171
9GT251052F
9GT251052G
9GT251052D
9GT251052H

The product you are viewing cross references to these numbers
SSXPO170
Product Information
Product Information
Milltek Sports Exhaust Gas Particulate Filter (GPF) Bypass Pipes.

Fits:
Porsche 718 Cayman GT4 4.0L 2019>>
Porsche 718 Boxster GTS 4.0L 2019>>
Only For Cars With Gas Particulate Filter (GPF)

Gas Particulate Filter By-Pass Pipes (GPF)
Pipe Diameter: 2.76" (70.00mm)

Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass

Fits With OE And Milltek Sport OPF Back Systems

For Track Use ONLY!
Requires Stage 2 ECU Remap


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

SSXPO170
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
SSXPO169
Product Information
Product Information
Milltek Sports Exhaust From Gas Particulate Filter Backwards With Carbon Jet GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System From Gas Particulate Filter (GPF) Back
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm JET-115

Parts Assembly:
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP244: x2 Jet-115 Carbon Trims

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

SSXPO169
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO168
Product Information
Product Information
Milltek Sports Exhaust From Gas Particulate Filter Backwards With Burnt Titanium GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System From Gas Particulate Filter (GPF) Back
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP253: x2 4.5" Burnt Titanium Tips

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

SSXPO168
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO167
Product Information
Product Information
Milltek Sports Exhaust From Gas Particulate Filter Backwards With Titanium GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System From Gas Particulate Filter (GPF) Back
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 
115mm GT115

Parts Assembly:
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP252: x2 4.5" Brushed Titanium Tips

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

SSXPO167
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO155
Product Information
Product Information
Milltek Sports Exhaust From Gas Particulate Filter Backwards With Cerakote Black GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System From Gas Particulate Filter (GPF) Back
Pipe Diameter: 2.37" (60.30mm)

Tailpipe: 115mm GT115

Parts Assembly:
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP251: x2 4.5" Cerakote Black Tips



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

SSXPO155
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO154
Product Information
Product Information
Milltek Sports Exhaust With Gas Particulate Filter Bypass And Carbon Jet GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System With Gas Particulate Filter (GPF) Bypass
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm JET-115

Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP244: x2 Jet-115 Carbon Trims

For Track Use ONLY!
Requires Stage 2 ECU Software


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

SSXPO154
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO153
Product Information
Product Information
Milltek Sports Exhaust With Gas Particulate Filter Bypass And Burnt Titanium GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System With Gas Particulate Filter (GPF) Bypass
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP253: x2 4.5" Burnt Titanium Tips

For Track Use ONLY!
Requires Stage 2 ECU Software


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

SSXPO153
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
982251053F
982251053H
982251053K

The product you are viewing cross references to these numbers
SSXPO152
Product Information
Product Information
Milltek Sports Exhaust With Gas Particulate Filter Bypass And Titanium GT-115 Trims.


Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System With Gas Particulate Filter (GPF) Bypass
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP252: x2 4.5" Brushed Titanium Tips

For Track Use ONLY!
Requires Stage 2 ECU Software



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

SSXPO152
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO151
Product Information
Product Information
Milltek Sports Exhaust With Gas Particulate Filter Bypass And Polished GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System With Gas Particulate Filter (GPF) Bypass
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP250: x2 4.5" Polished Tips

For Track Use ONLY!
Requires Stage 2 ECU Software


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

SSXPO151
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO150
Product Information
Product Information
Milltek Sports Exhaust From Gas Particulate Filter Backwards With Polished GT-115 Trims.

Pre Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2019>>2020
Porsche 718 Boxster GTS 4.0L 2019>>2020
Only For Cars With Gas Particulate Filter (GPF)

Sports Exhaust System From Gas Particulate Filter (GPF) Back
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO260: LH Valve Assembly
MSPO261: RH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO263: x2 Outlet Pipes
MSTIP250: x2 4.5" Polished Tips

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

SSXPO150
982251053E
982251053K
982251053F
98225153H
982251053D
982251053G

The product you are viewing cross references to these numbers
DISPLAYING 33 to 48 (of 94 products)
<< 2 3 4 5 >>