SBM Powered F8x M3/M4 525 Package
Our most popular upgrade yet for the F8x M3/M4!
The SBM Powered F8x M3/M4 525 Package offers the unbelievable sounds of the Eisenmann full ‘cat back’ exhaust system and the bolt on power of the ESS E-Tronic Module (or ECU upgrade if preferred). Thanks to the full Eisenmann system the power output is further increased to over 380kw in a safe and reliable manner using ESS Tuning’s proven products.
Chose your sound level with the choice of a resonated or non-resonated mid-pipe section and with four different tip styles available you can give your car the look, sound and power it deserves!