The Milltek Sport Non-Resonated OPF/GPF Back Exhaust System for the MK4 Mini JCW F66 has been developed in response to enthusiast demand for visible exhaust tips, improved sound quality, and enhanced rear-end aesthetics.
This system transforms the rear of the F66 by combining a rear diffuser overlay, a choice of premium exhaust tips, and a resonated exhaust layout that delivers a refined yet sporty exhaust note while retaining everyday usability.
Designed specifically for vehicles fitted with the Sport Diffuser, this system improves both acoustic dynamics and visual impact, making it a standout upgrade for the latest Mini platform.
Fits - New Mini > Mk4 > JCW F66 2.0T B48 (OPF/GPF Models Only) > 2024 and Later
Key Features
Non-Resonated OPF/GPF-back exhaust system
Designed for Sport Diffuser models
Requires cutting for installation
Enhanced exhaust tone with refined sound characteristics
Visible exhaust tips for improved rear-end aesthetics
High-quality stainless steel construction
Manufactured in the UK
Included Components
- F5066: Adapter for OE Downpipe 76.2 O.D. to 65 I.D. 110 long
- MSM365REP: Front Silencer Bypass
- MSM373: Rear Silencer
- MSM374: Downturn Valved Tailpipe
- MSTIP250: Polished GT (round) 115 Exhaust Tip - MSTIP250
Milltek F66 Mini JCW - Non-Resonated Particulate Filter-back Systems
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Pipe Diameter: 76.20mm
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Fitting Time: 3–4 hours (including removal of OE system)
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Race Product: No
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E-Marked: Yes
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