The Milltek GPF-Back exhaust system redefines your driving experience. By replacing your standard exhaust with Milltek’s larger, precision-engineered pipes, you’ll enjoy more precise throttle response, improved engine efficiency and a striking aesthetic that enhances your vehicle’s high-performance character.
Suitable for:
Porsche 718 Cayman GT4 - For vehicles equipped with OPF/GPF and Porsche PDK transmission only*
Porsche 718 Boxster Spyder - For vehicles equipped with OPF/GPF and Porsche PDK transmission only*
Porsche 718 Cayman GTS 4.0L - For vehicles equipped with OPF/GPF and Porsche PDK transmission only*
Porsche 718 Boxster GTS 4.0L - For vehicles equipped with OPF/GPF and Porsche PDK transmission only*
Parts assembly:
MSPO269: Left valve assembly
MSPO286: Left mounting bracket - For PDK cars only
MSPO287: Right mounting bracket - For PDK cars only
MSPO270: RH valve assembly
MSPO262: Rear silencer assembly
MSPO263: x2 exhaust pipes
Pipe diameter: 2.37" (60.30 mm)
Exhaust tailpipe: 115 mm GT115
NOTE: This system is compatible exclusively with 718 models fitted with a petrol particulate filter (PPF) and Porsche PDK gearbox. PPFs have been fitted to 718 models produced after February 2020. If you are unsure whether your vehicle is fitted with a PPF, please do not hesitate to contact us with your chassis number for confirmation.
Why buy a Milltek sports exhaust?
Answer from the accelerator
Enjoy a more responsive engine with optimised airflow and improved performance, enhancing the overall driving experience.
Significant weight savings...
Lighter than the original exhaust system, it reduces overall weight for improved agility and handling.
High-quality T304L aerospace-grade stainless steel...
Constructed from high-quality, non-magnetic, discolouration-resistant stainless steel, ensuring excellent durability and performance.
Mandrel-bent for improved gas flow...
The system utilises mandrel-bent, full-flow bends, allowing exhaust gases to flow freely and increasing engine efficiency without sacrificing mid-range torque.
Lifetime warranty...
Milltek systems are covered by a lifetime warranty for the original purchaser, offering peace of mind. (Excluding Cat and Flex systems)
Designed and manufactured in the UK...
Since 1983, Milltek has been designing and manufacturing exhaust systems with over 40 years of technical expertise, ensuring the highest quality and precision.
An ever-expanding range of high-performance exhausts...
Milltek offers an ever-expanding selection of exhaust systems designed specifically for high-performance vehicles such as your Porsche.
-- The pipe diameter is 60.3 mm / 2.37 inches.
-- Please note that this product does not have official certification for use in Europe.
Part numbers
Range of high-performance exhausts in
SSXPO191 - SSXPO189 - SSXPO190 - SSXPO193
982251053F
982251053H
982251053K
982251053E
982251053D
982251053G
Available to order – Milltek exhausts may take up to 20 days for delivery as components need to be ordered from the UK