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CMST Golf MK6 R-Style Carbon Fibre Aero Kit

01 July 2026

CMST Valved Cat-Back Exhaust for the BMW F30

01 July 2026

CMST Valved Exhaust for the Porsche Boxster and Cayman

01 July 2026

CMST Mustang Valved Cat-Back Exhaust (SUS304)

01 July 2026

CMST Jaguar F-Type Valved Exhaust System Guide

01 July 2026

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CMST Volkswagen Golf MK6 with carbon fibre R-style front lip and rear lip, 3/4 front low angle, white body, moody garage lighting, shallow depth of field, visible carbon weave, no text

featured CMST Golf MK6 R-Style Carbon Fibre Aero Kit

The CMST Golf MK6 R-style kit adds vacuum carbon fibre front and rear lips alongside a SUS304 stainless valved catback exhaust โ€” a coherent aero and sound upgrade for the...

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BMW F30 with M4-style rear bumper and CMST quad carbon-tipped valved exhaust, low rear three-quarter hero

CMST Valved Cat-Back Exhaust for the BMW F30

A guide to the CMST valved cat-back exhaust for the BMW F30 โ€” SUS304 stainless, remote-controlled valves and quad carbon tips for switchable sound.

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CMST Porsche Boxster valved exhaust system hero shot

CMST Valved Exhaust for the Porsche Boxster and Cayman

The CMST valved cat-back exhaust for the Porsche Boxster and Cayman is a SUS304 stainless steel system with electronic bypass valves, delivering on-demand flat-six sound character across the 986, 987,...

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Photoreal hero image of a complete brushed SUS304 stainless valved cat-back exhaust system for a 2015-2017 Ford Mustang with twin polished tips and vacuum valve actuators on a dark studio surface

CMST Mustang Valved Cat-Back Exhaust (SUS304)

A SUS304 stainless, TIG-welded cat-back for the S550 Mustang with remote-controlled vacuum valves that switch between a quiet street note and an open, freer-flowing tone. Fits the 2.3 EcoBoost and...

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Rear three-quarter of a Jaguar F-Type with CMST valved exhaust and twin carbon-fibre tips exiting the diffuser

CMST Jaguar F-Type Valved Exhaust System Guide

A guide to the CMST Jaguar F-Type valved cat-back exhaust โ€” SUS304 stainless construction, second-generation remote valve, carbon tips and lower back-pressure.

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CMST Porsche Cayenne valved exhaust system hero shot

CMST Valved Exhaust for the Porsche Cayenne

The CMST Porsche Cayenne valved exhaust is a SUS304 stainless steel cat-back system with electronically controlled bypass valves, giving the Cayenne on-demand sound character โ€” quiet closed-valve mode for daily...

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CMST SUS304 stainless steel quad-tip cat-back exhaust for the Nissan GT-R R35, studio product hero

CMST Nissan GT-R R35 SUS304 Cat-Back Exhaust

A lightweight SUS304 stainless dual-side, twin-exit cat-back for the Nissan GT-R R35 that cuts weight and back-pressure for a deeper note and sharper response.

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