Dinan Free Flow Axle-Back Exhaust - 2020-2025 BMW X3M/X4M Stainless Steel - Polished Tips - F97/F98 EXH0025 The results of these tests

The results of these tests showed that the patterned openings present in the final iteration of the box located on the opposite side from the engine provided a perfect balance of additional volume to assist the factory inlet all the while not causing an increase in turbo inlet temperatures

2012 - BMW F3X 335i

Expect a deep and throaty roar that will send shivers up and done your spine as you're pinned to the back of your seat

Over a 30% increase in flow

This kit is designs specifically for OEM or aftermarket wheels that require ball seat bolts (Such as Neuspeed) and 15/20/25mm wheel spacers

Dinan Free Flow Axle-Back Exhaust - 2020-2025 BMW X3M/X4M Stainless Steel - Polished Tips - F97/F98 EXH0025 The results of these testsStainless Steel Polished Tips F97 F98 The "baby M's" of the 'X' family just got a bit more big brother like. With more volume and a deeper, more aggressive note courtesy of the Dinan axle back exhaust system, the F97 F98 now stand on the precipice of rivaling, or even surpassing, its V8 siblings at least, in regards to sound. With an intoxicating and menacing sound befitting of a high performance SUV the X3M X4M holds its own amongst the pantheon of