BMW M135i (F40) Quad Exit GPF/PPF Back Non-Valved Race Box Delete M3 Style Performance Exhaust

Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience.

Our sports exhausts range is fully guaranteed to give you assurance of our quality.

This quad tailpipe exhaust conversion (quad exit / 4 tailpipes) creates a deep more vibrant sporty exhaust sound. This exhaust has been developed using 3 inch/76.2mm stainless steel pipework and replaces the centre and rear sections.

Once fitted, the new Cobra Sport M135i quad tip exhaust conversion and replacement body panel look entirely at home on the car and gives the M135i a much sportier edge with dynamic sound and improved looks.

This performance exhaust is designed to fit with the addition of the Maxton Design quad exit rear valance panel (not included – please see related items at the bottom of this page)

Quad Exit GPF Back Non-Valved Race Box Delete Test Results:

Sound – Engine at Idle: 72.7dB (+18.4dB) – Static 4,000rpm test: 92.8dB (+12.9dB)

Please Note: This ‘non-valved’ exhaust removes the use of exhaust valves. Using a non-valved exhaust will not harm the running of your vehicle, you will simply not have exhaust sound options, however the Cobra Sport exhaust has been designed with this in mind.

Maxton Design Rear Valance is not included – please purchase this directly from Maxton Design here.

All relevant fittings and gaskets are supplied.