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- Accessories
- Brakes
- Chassis / Bodywork
- Clothing & Gifts
- Electrical & Relays
- Engine Cooling
- Engine Electrical
- Engine Rebuild Parts
- Engine Tuning
- Exhausts
- Exterior Styling / Spoilers
- Gearbox / Transmission
- Heating / Air Conditioning
- Incar / Multimedia
- Interior & Accessories
- Lighting
- Mats & Carpets
- Motorsport and Off-Road
- Parts for Other Cars
- Pedal Cluster
- Rubber Seals
- Seats & Seat Belts
- Service Parts
- Special Offer Parts
- Steering Parts
- Suspension & Axle
- Suspension Upgrades
- Tyres
- Wheel Accessories
- Wheels
Fits:
Porsche 982 (718) Cayman GT4 4.0L 2020>>
Porsche 982 (718) Boxster GTS 4.0L 2020>>
For OPF / GPF Equipped Cars ONLY!
Post Feb 2020 Bulid, PDK Cars ONLY!
Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
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
MSTIP252: x2 4.5" Brushed Titanium Tips
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
For Track Use ONLY!
Requires Stage 2 ECU Software
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO186
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
Fits:
Porsche 982 (718) Cayman GT4 4.0L 2020>>
Porsche 982 (718) Boxster GTS 4.0L 2020>>
For OPF / GPF Equipped Cars ONLY!
Post Feb 2020 Bulid, PDK Cars ONLY!
Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
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
MSTIP253: x2 4.5" Burnt Titanium Tips
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
For Track Use ONLY!
Requires Stage 2 ECU Software
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO187
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
Fits:
Porsche 982 (718) Cayman GT4 4.0L 2020>>
Porsche 982 (718) Boxster GTS 4.0L 2020>>
For OPF / GPF Equipped Cars ONLY!
Post Feb 2020 Bulid, PDK Cars ONLY!
Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
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
For Track Use ONLY!
Requires Stage 2 ECU Software
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO188
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
Fits:
Porsche 982 (718) Cayman GT4 4.0L 2020>>
Porsche 982 (718) Boxster GTS 4.0L 2020>>
For OPF / GPF Equipped Cars ONLY!
Post Feb 2020 Bulid, PDK Cars ONLY!
Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
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
MSTIP251: x2 4.5" Cerakote Black Tips
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
For Track Use ONLY!
Requires Stage 2 ECU Software
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO185
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
Fits:
Porsche 982 (718) Cayman GT4 4.0L 2020>>
Porsche 982 (718) Boxster GTS 4.0L 2020>>
For OPF / GPF Equipped Cars ONLY!
Post Feb 2020 Bulid, PDK Cars ONLY!
Parts Assembly:
MSPO258: LH GPF/OPF Bypass
MSPO259: RH GPF/OPF Bypass
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
MSTIP250: x2 4.5" Polished Tips
Pipe Diameter: 2.37" (60.30mm)
Tailpipe: 115mm GT115
For Track Use ONLY!
Requires Stage 2 ECU Software
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SSXPO184
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
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
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
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
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
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
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
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
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
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
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Free delivery
Fits:
Porsche 718 Boxster Spyder 4.0ltr - 2017 Onwards
Porsche 718 Boxster GTS 4.0ltr - 2017 Onwards
Porsche 718 Cayman GTS 4.0ltr - 2017 Onwards
Porsche 718 Cayman GT4 4.0ltr - 2017 Onwards
Designed as a direct fit, tailpipe replacement to fit to original OEM Porsche silencer. These will also fit most other aftermarket rear silencers that retain the original sized outlets for example Kline Innovation, Cargraphic, Brooke Racing.
Constructed from stainless steel with a lifetime guarantee they will reduce sound at flyby and static depending on exhaust setup from 5db or more.
Click 'Zoom in' for large parts diagram.
Replaces diagram ref no 13 and 14
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Boxster Spyder 718 4.0L (420 Bhp)
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Shop Securely
12 Month Warranty
Worldwide Delivery
Express Delivery
Free delivery
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
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed