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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 49 to 64 (of 94 products)
<< 3 4 5 6
SSXPO149
Product Information
Product Information
Milltek Sports Exhaust With Gas Particulate Filter Bypass And Cerakote Black 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
MSTIP251: x2 4.5" Cerakote Black Tips

For Track Use ONLY!
Requires Stage 2 ECU Software



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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO149
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R
982251053F
982251053H
982251053K
982251053E

The product you are viewing cross references to these numbers
SSXPO148
Product Information
Product Information
Milltek Sports Exhaust With Catalytic Converter Replacement Pipe With Carbon Jet 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: 102mm Carbon Jet

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
MSTIP226: x2 Carbon Jet-100 Trims (To Fit 63.5mm OD Outlets) (Fits All Systems That Use MSVW373 Family Of Trims)

For Track Use ONLY!
Requires Stage 2 ECU Software


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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO148
982251052E
982251052F
982251052G
982251052J
982251052L
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L

The product you are viewing cross references to these numbers
SSXPO146
Product Information
Product Information
Milltek Sports Exhaust With Catalytic Converter Replacement Pipe With 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: Dual 100mm GT100

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
MSVW374: x2 Titanium Tips

For Track Use ONLY!

Requires Stage 2 ECU Software Update

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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO146
982251052E
982251052F
982251052G
982251052J
982251052L
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L

The product you are viewing cross references to these numbers
SSXPO145
Product Information
Product Information
Milltek Sports Exhaust With Catalytic Converter Replacement Pipe With Cerakote Black 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: Dual GT100

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
MSVW372: x2 Cerakote Black Tips

For Track Use ONLY!
Requires Stage 2 ECU Software Update

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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO145
982251052E
982251052F
982251052G
982251052J
982251052L
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L

The product you are viewing cross references to these numbers
SSXPO144
Product Information
Product Information
Milltek Sports Exhaust With Catalytic Converter Replacement Pipe With Polished 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: Dual GT100

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
MSVW373: x2 Polished Tips

For Track Use ONLY!

Requires Stage 2 ECU Software update

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

SSXPO144
982251052E
982251052F
982251052G
982251052J
982251052L
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L

The product you are viewing cross references to these numbers
SSXPO157
Product Information
Product Information
Rear Silencer Delete With Polished Trims GT-115 tailpipe Trims.


Post Feb 2020 Build ONLY!


Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>
Only With GPF (Gasoline Particulate Filter)

Particulate Filter - Backwards
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP250: x2 4.5" Polished Tips



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

SSXPO157
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G

The product you are viewing cross references to these numbers
SSXPO158
Product Information
Product Information
Rear Silencer Delete With Cerakote Black Trims GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Only With GPF (Gasoline Particulate Filter)

Particulate Filter - Backwards
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP251: x2 4.5" Cerakote Black Tips

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

SSXPO158
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G

The product you are viewing cross references to these numbers
SSXPO161
Product Information
Product Information
Rear Silencer Delete With Jet Carbon Trims GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Only With GPF (Gasoline Particulate Filter)

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

Parts Assembly:
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP244: x2 Jet-115 Carbon Trims

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

SSXPO161
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G

The product you are viewing cross references to these numbers
SSXPO160
Product Information
Product Information
Rear Silencer Delete With Burnt Titanium GT-115 Tailpipe Trims

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Particulate Filter - Backwards
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP253: x2 4.5" Burnt Titanium Tips

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

SSXPO160
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G

The product you are viewing cross references to these numbers
SSXPO159
Product Information
Product Information
Rear Silencer Delete With Titanium GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Particulate Filter - Backwards
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP252: x2 4.5" Brushed Titanium Tips

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

SSXPO159
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G

The product you are viewing cross references to these numbers
SSXPO162
Product Information
Product Information
Milltek GPF Bypass Sports Exhaust With Polished GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
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.

SSXPO162
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
SSXPO163
Product Information
Product Information
Milltek GPF Bypass Sports Exhaust With Cerakote Black GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP251: x2 4.5" Cerakote Black Tips

For Track Use ONLY!

Requires Stage 2 ECU Software



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

SSXPO163
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
SSXPO166
Product Information
Product Information
Milltek GPF Bypass Sports Exhaust With Jet Carbon GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm JET-115

Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
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.

SSXPO166
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
SSXPO165
Product Information
Product Information
Milltek GPF Bypass Sports Exhaust With Burnt Titanium GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP253: x2 4.5" Burnt Titanium Tips

For Track Use ONLY!
Requires Stage 2 ECU Software Update


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

SSXPO165
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
SSXPO164
Product Information
Product Information
Milltek GPF Bypass Sports Exhaust With Titanium GT-115 Tailpipe Trims.

Post Feb 2020 Build ONLY!

Fits:
Porsche 718 Cayman GT4 4.0L 2020>>
Porsche 718 Boxster GTS 4.0L 2020>>

Exhaust System With GPF (Gasoline Particulate Filter) Delete
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115

Parts Assembly:
MSPO258: LH GPF Bypass
MSPO259: RH GPF Bypass
MSPO269: LH Valve Assembly
MSPO270: LH Valve Assembly
MSPO262: Rear Silencer Assembly
MSPO271: LH Mounting Bracket
MSPO272: RH Mounting Bracket
MSPO263: x2 Outlet Pipes
MSTIP252: x2 4.5" Brushed Titanium Tips

For Track Use ONLY!
Requires Stage 2 ECU Software Update


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

SSXPO164
982251053E
982251053K
982251053F
982251053H
982251053D
982251053G
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
SSXPO141
Product Information
Product Information
Milltek Full System With HJS 200CPSI Sports Cat & Titanium GT-100 Trims.
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: Dual 100mm GT100

NOTE: CAT SECTION FITS GPF MODELS ONLY

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

Parts Assembly:
MSPO256: High Flow Sports Catalytic Converter
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
MSVW374: x2 Titanium Tips

For Track Use ONLY!
Requires Stage 2 ECU Software


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

SSXPO141
982251052E
982251051D
982251051K

The product you are viewing cross references to these numbers
DISPLAYING 49 to 64 (of 94 products)
<< 3 4 5 6