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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 65 to 80 (of 94 products)
<< 3 4 5 6
SSXPO139
Product Information
Product Information
Milltek Full Exhaust System With HJS 200CPSI Sports Catalytic Converter And Polished GT-100 Tailpipe Trims.
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: Dual 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
MSVW373: x2 Polished Tips

For Track Use ONLY!
Requires Stage 2 ECU Software


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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO139
982251052E
982251051D
982251051K

The product you are viewing cross references to these numbers
SSXPO140
Product Information
Product Information
Milltek Full System With HJS 200CPSI Sports Cat & Cerakote Black GT-100 Trims.
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: Dual 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
MSVW372: x2 Cerakote Black Tips

For Track Use ONLY!
Requires Stage 2 ECU Software


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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO140
982251052E
982251051D
982251051K

The product you are viewing cross references to these numbers
SSXPO143
Product Information
Product Information
Milltek Full System With HJS 200CPSI Sports Cat & Carbon JET-100 Trims.
Pipe Diameter: 2.50" (63.50mm)

Tailpipe: 102mm Carbon Jet

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
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.

SSXPO143
982251052E
982251051D
98225105K

The product you are viewing cross references to these numbers
SSXPO142
Product Information
Product Information
Milltek Full System With HJS 200CPSI Sports Cat & Burnt Titanium GT-100 Trims.
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: GT-100
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
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.

SSXPO142
982251052E
982251051D
982251051K

The product you are viewing cross references to these numbers
SSXPO136
Product Information
Product Information
Rear Silencer Delete With Titanium GT-100 Tailpipe Trims.

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

Particulate Filter: Backwards
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: Dual 100mm GT100

Parts Assembly:
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

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Related, superseded, cross reference or alternative numbers for comparison.

SSXPO136
982251052F
982251052E
982251052G
982251052J
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L
982251052L

The product you are viewing cross references to these numbers
SSXPO134
Product Information
Product Information
Rear Silencer Delete With Polished GT-100 Tailpipe Trims.

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

Particulate Filter: Backwards
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: Dual GT100

Parts Assembly:
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

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

SSXPO134
982251052F
982251052E
982251052G
982251052J
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L
982251052L

The product you are viewing cross references to these numbers
SSXPO135
Product Information
Product Information
Rear Silencer Delete With Cerakote GT-100 Black Tailpipe Trims.

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

Particulate Filter: Backwards
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: Dual GT100

Parts Assembly:
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

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

SSXPO135
982251052F
982251052E
982251052G
982251052J
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L
982251052L

The product you are viewing cross references to these numbers
SSXPO138
Product Information
Product Information
Rear Silencer Delete With Carbon Jet-100 Tailpipe Trims.

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

Particulate Filter: Backwards
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: 102mm Carbon Jet

Parts Assembly:
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)

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

SSXPO138
982251052F
982251052E
982251052G
982251052J
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L
982251052L

The product you are viewing cross references to these numbers
SSXPO137
Product Information
Product Information
Rear Silencer Delete With Burnt Titanium GT-100 Tailpipe Trims

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

Particulate Filter: Backwards
Pipe Diameter: 2.50" (63.50mm)
Tailpipe: GT-100

Parts Assembly:
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


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

SSXPO137
982251052F
982251052E
982251052G
982251052J
982251051D
982251051K
982251051F
982251051G
982251051J
982251051L
982251052L

The product you are viewing cross references to these numbers
SSXPO156
Product Information
Product Information
Milltek Signature Series Titanium Sports Exhaust Silencer Bypass.

Fits:
Porsche 911 (992) 3.0ltr Carrera 2S 2019>>
Porsche 911 (992) 3.0ltr Carrera 4S 2019>>
For Cars With Gasoline Particulate Filter (GPF) AND Porsche Sports Exhaust (PSE)

Pipe diameter - 76.20mm
Weight Saving Over Original Item - 9kg

Parts Assembly:
MSSPO100: LH Link Pipe to OE Catalytic Converter
MSSPO101: RH Link Pipe to OE Catalytic Converter
MSSPO102: LH Valved Outlet Pipe
MSSPO102: RH Valved Outlet Pipe
MSSPO104: x2 Inner Outlet Pipes

Please note: This is a special-order item manufactured to order. In some cases, please allow 5 – 6 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

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

SSXPO156
992251053A
992298019A

The product you are viewing cross references to these numbers
Special Offer
SSXPO130
Product Information
Product Information
Centre Silencer Delete Assembly. Fits With Both Porsche Sport Exhausts (Valved) And Standard OE Systems.

Pipe Diameter: 2.26" (57.50mm)

Fits:
Porsche 911 (997.2) 3.6L & 3.8L (C2 / C4 / S / GTS) 2009>>2012

Parts Assembly:
MSPO247: Centre Silencer Delete Assembly

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

SSXPO130
99711115030
99711115932
99711116032
99711118032

The product you are viewing cross references to these numbers
SSXPO117
Product Information
Product Information
Milltek Stainless Steel Exhaust System, Resonated (Quieter) Comes With Ceramic Black Tail Pipes.

Pipe Diameter: 2.25" (57.15mm)
Tailpipe: Twin 90mm Special

Fits:
Porsche 987 Gen2 Boxster S 3.4L 2009>>2013 Inc Spyder
Porsche 987C Gen2 Cayman S 3.4L 2009>>2013 Inc Cayman R

Parts Assembly:
MSPO235: LH Front Silencer Assembly
MSPO236: RH Front Silencer Assembly
MSPO237: LH Rear Silencer Assembly
MSPO238: RH Rear Silencer Assembly
MSTIP155: x2 Ceramic Black Tip Assembly

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

SSXPO117
98711311731
98711311732
98711313131
98711313132
98711311831
98711311832
98711313231
98711313232
98711351130
98711351131
987113511BX
987113511DX
98711351230
98711351231
987113512BX
987113512DX

The product you are viewing cross references to these numbers
SSXPO116
Product Information
Product Information
Sports Exhaust Muffler / Cat Back Non-Resonated (Louder) With Twin 90mm Special Ceramic Black Tips.

Pipe Diameter: 2.25" (57.15mm)
Tailpipe: Twin 90mm Special

Fits:
Porsche 987 Gen2 Boxster S 3.4L 2009>>2013 Inc Spyder
Porsche 987C Gen2 Cayman S 3.4L 2009>>2013 Inc Cayman R

Parts Assembly:
MSPO235REP: LH Front Silencer Replacement Pipe
MSPO236REP: RH Front Silencer Replacement Pipe
MSPO237: LH Rear Silencer Assembly
MSPO238: RH Rear Silencer Assembly
MSTIP155: x2 Ceramic Black Tip Assembly

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

SSXPO116
98711311731
98711311732
98711313131
98711313132
98711311831
98711311832
98711313231
98711313232
98711351130
98711351131
987113511BX
987113511DX
98711351230
98711351231
987113512BX
987113512DX

The product you are viewing cross references to these numbers
SSXPO121
Product Information
Product Information
Exhaust Muffler / Silencer Rear Box. Excl. Sports Rear Catalysts.

Pipe Diameter: 2.13" (54.00mm)
Tailpipe: Twin 90mm Special

Fits:
Porsche 987 Gen1 Boxster 2.7L 2004>>2009
Porsche 987 Gen1 Cayman 2.7L 2006>>2009
Porsche 987 Gen1 Boxster S 3.2L 2004>>2009
Porsche 987 Gen1 Cayman S 3.4L 2006>>2009

Parts Assembly:
MSPO177: LH Rear Cat Replacement Silencer Assembly
MSPO178: RH Rear Cat Replacement Silencer Assembly
MSPO237: LH Rear Silencer Assembly
MSPO238: RH Rear Silencer Assembly
MSTIP155: x2 Ceramic Black Tip Assembly

For Track Use ONLY!

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

SSXPO121
98711311200
98711311204
98711311205
987113112AX
98711311801
98711311802
98711311803
98711311400
98711311402
98711311403
987113114AX
98711351200
98711351201
98711351202
987113512AX
98711351260
987113512CX
98711311100
98711311104
98711311105
987113111AX
98711311701
98711311702
98711311703
98711311300
98711311302
98711311303
987113113AX
98711351100
98711351101
98711351102
987113511AX
98711351160
987113511CX

The product you are viewing cross references to these numbers
SSXPO128
Product Information
Product Information
Milltek Sport Exhaust Cat-Back With Titainium GT-100 Trims.

Fits:
Porsche 911 (991.1) GT3 & GT3 RS 2013>>2017

Parts Assembly:
MSPO245: Rear Silencer Delete Assembly
MSPO246: 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.

SSXPO128
99711102792
99711102799
99711102790

The product you are viewing cross references to these numbers
SSXPO126
Product Information
Product Information
Milltek Sport Exhaust Cat-Back With Polished GT-100 Trims.

Fits:
Porsche 991.1 GT3 / GT3 RS 2013>>2017

Parts Assembly:
MSPO245: Rear Silencer Delete Assembly
MSPO246: Trim Mounting Plate
MSTIP199: x2 4.0" Polished Tips

Tailpipe: 
100mm GT100

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

SSXPO126
99711102792
99711102799
99711102790

The product you are viewing cross references to these numbers
DISPLAYING 65 to 80 (of 94 products)
<< 3 4 5 6