Unlock 15whp and 20wtq Out of Your 2011+ BMW 135i!

The first independent dyno results we’ve seen for our Street Performance N55 exhaust systems are in!  They come from PTuning out in Virginia and they show impressive gains across the entire RPM range!  The results are +15.5whp and +20.7wtq!!!

Our slogan is “Track Tested, Dyno Proven” and we try to stay true to that by putting out products that perform taking into consideration everything from power to weight reduction.  Our Street Performance exhaust system sheds 20 lbs. of weight over the stock exhaust system with improved looks, improved performance, and OEM quality fit & finish.

Order the Berk Technology Street Performance Exhaust System from our online store, or through your favorite Berk Technology dealer!

Berk Technology


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