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  5. 718 GTS 4.0 (OPF Only - Post Feb 2020 Manual)
  6. GPF/OPF Bypass - Non-Resonated OPF/GPF Back System with GT-90 Polished Tips - Boxster - "718 GTS 4.0 (OPF Only - Post Feb 2020 Manual) - 2020 - SSXPO166
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GPF/OPF Bypass - Non-Resonated OPF/GPF Back System with GT-90 Polished Tips - Boxster - "718 GTS 4.0 (OPF Only - Post Feb 2020 Manual) - 2020 - SSXPO166
  • GPF/OPF Bypass - Non-Resonated OPF/GPF Back System with GT-90 Polished Tips - Boxster - "718 GTS 4.0 (OPF Only - Post Feb 2020 Manual) - 2020 - SSXPO166

GPF/OPF Bypass - Non-Resonated OPF/GPF Back System with GT-90 Polished Tips - Boxster - "718 GTS 4.0 (OPF Only - Post Feb 2020 Manual) - 2020 - SSXPO166

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GPF/OPF Bypass - Non-Resonated OPF/GPF Back System with GT-90 Polished Tips - Boxster - "718 GTS 4.0 (OPF Only - Post Feb 2020 Manual) - 2020 - SSXPO166
Milltek
GPF/OPF Bypass - Non-Resonated OPF/GPF Back System with GT-90 Polished Tips - Boxster - "718 GTS 4.0 (OPF Only - Post Feb 2020 Manual) - 2020 - SSXPO166
MSRP: £3,767.72
Was:
Now: £3,390.95
(You save £376.77 )
Brand
Milltek
SKU:
Mil-05102013-107
UPC:
Condition:
New
Type of System:
GPF/OPF Bypass
Detail:
Non-Resonated OPF/GPF Back System with GT-90 Polished Tips
Tip Style:
115mm JET-115
Pipe (mm):
60.3
Pipe (inches):
2.37
ValveSonic?:
No
Res or Non Res?:
Non-resonated (louder)
EC Approved:
No

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  • Description
Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost indefinitely and is used throughout the entire construction of our pipework, silencers and associated hardware.

Mandrel bending ensures constant radius bends for optimised gasflow, and bore diameters are carefully enlarged over stock to ensure ultimate performance without the loss of mid-range torque. All of the Milltek exhaust systems endure a comprehensive acoustic development process to deliver a tone that is sporty and crisp, without ever inducing NVH, drone or cabin resonance.

The use of de-cats, sports cats are for off road/motorsport use only. Using these parts would inhibit your vehicle from passing a MOT test.

Only EC type-approved components are legal and fit for road use.
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© 2025 Milltekshop.com Awesome GTI Ltd t/a Milltekshop.com is a credit broker, not a lender and is authorised and regulated by the Financial Conduct Authority (FRN 650745). We do not charge you for credit broking services. Finance is introduced through the Deko platform from a carefully selected panel of lenders. Deko is a trading name of Pay4Later Ltd, which is authorised and regulated by the Financial Conduct Authority (FRN 728646). Deko is a credit broker, not a lender and does not charge you for credit broking services. Whichever lender Deko introduces you to, Deko will typically receive a commission from them (either a fixed fee or a percentage of the amount you borrow). For your reassurance, all of the lenders Deko works with could pay commission at different rates, but the commission received does not influence the interest rate you will pay. You will be offered the best rate available from Deko’s partner lenders, based on the lenders’ decision policies.
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