Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved
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Cobra M135i (F40) GPF/PPF Back Race Box Delete Performance Exhaust Non Valved

£720.00
£720.00
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Tax included. Shipping calculated at checkout.

Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

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

This BMW M135i performance exhaust is made in 3"/76.2mm pipework and fits from the Gasoline Particulate Filter section backwards (GPF-back) replacing the centre and rear sections.

GPF Back with Box Delete Test Results:

Sound - Engine at Idle: 73.5dB (+10.5dB) - Static 3,800rpm test: 95.1dB (+13.1dB)

All relevant fittings and gaskets are supplied.

This exhaust offers a significant improvement in terms of exhaust tone, bass and sound level whilst keeping the stock catalyst and GPF in place.

This exhaust has a choice of 4" (101.6mm) tailpipe options including a choice of carbon fibre tip options.

Please Note:

The 'Valved' exhaust retains the use of exhaust valves. When switching drive modes (e.g. Eco to Race mode) your exhaust tone will continue to swap from quieter to louder tones as before.

The 'Non-Valved' exhaust removes the use of exhaust valves. When switching drive modes (e.g. Eco to Race mode) your exhaust tone will not change from quieter to louder as before. 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.