Exhaust Muffler / Silencer Rear box Racing with bolt-on inlet flanges. Porsche 911 1965-73 2 IN / 2 OUT 70mm outlet - RACING only  ❭  1620801700

Sports exhaust straight pipe Porsche 718 GT4, SPYDER & GTS 4.0



From March 2020

This exhaust system can be fitted on every 4.0ltr model produced from March 2020. In March a new fixing system based on silent block has been introduced

SOUND STRAIGHT PIPE
The straight pipe version guarantees a direct path from the engine, removing all factors which may affect the acoustic tuning.

EXHAUST VALVE PNEUMATIC
The exhaust system is complete with pneumatic valve to replace the standard pneumatic valve installed on the car. Control of the original valve is still provided.

END TIPS DESIGN OE
The muffler must be used in conjunction with the original exhaust end tips.

RACETRACK USE ONLY
STRAIGHT PIPE AISI 304 STAINLESS STEEL

Sports exhaust Porsche 718 GT4, SPYDER & GTS 4.0



Until February 2020

This exhaust system can be fitted on every 4.0ltr model produced until February 2020. In March a new fixing system based on silent block has been introduced

SOUND: STRAIGHT PIPE
The straight pipe version guarantees a direct path from the engine, removing all factors which may affect the acoustic tuning.

EXHAUST VALVE: PNEUMATIC
The exhaust system is complete with pneumatic valve to replace the standard pneumatic valve installed on the car. Control of the original valve is still provided.

END TIPS DESIGN: OE
The muffler must be used in conjunction with the original exhaust end tips.

RACETRACK USE ONLY
STRAIGHT PIPE AISI 304 STAINLESS STEEL

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:

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

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