BMW M135i (F40) Quad Exit GPF/PPF Back Non-Valved Race Box Delete M3 Style Performance Exhaust a4b7 Following intensive development

Following intensive development

aesthetics and power improvements

creating a noticeably enhanced and balanced look to the rear of the M4 with a choice of quad 3

230PS & 245PS (2015-19) pre-GPF models

BMW M135i (F40) Quad Exit GPF/PPF Back Non-Valved Race Box Delete M3 Style Performance Exhaust a4b7 Following intensive developmentCobra 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