The volume of just an axleback Exhaust in a power producing downpipe back setup. The MadDad(TM) Midpipe with its mini resonators placed directly where the factory secondary cats would be, combined with a Whisper series axleback section gives you Exhaust nirvana...yes you can have your power without the rediculous loudness of other systems. Maintaining more than civil volume..not just outside the car, but inside the cabin as well. Quite possibly the quietest Exhaust on the market inside the cabin.
135i Exhaust by MadDad
The volume of a 135i axleback Exhaust in a power producing downpipe back setup. This is the 135i Exhaust you've been waiting for. A complete 135i Exhaust from the downpipe back. Replacing the last two factory cats with replacement mini-resonators to help minimize in cabin drone. The 135i Whisper Series axleback section produces exotic car sounds without ever sounding outright loud. Multiple features to mitigate drone, including a mount for the factory vibration damper. Compare a MadDad(TM) EuroSport 135i Exhaust vs other Exhausts and you'll find other companies axleback Exhausts alone are often louder than this complete downpipe back setup. The MadDad(TM) EuroSport Downpipe back 135i Exhaust gives you all of the sound character with none of the noise.
BMW 2011 135i high speed test drive
This video is the continuation of the first one. In this segment we push the new 135i to over 100mph on a small country road. After that we take her back home.
Berk Technology BMW 135i Exhaust Compilation - 4 Exhausts Tested
After 2 years of on track testing and 7000 miles of street driving we're excited to finally bring you Berk Technology's full Exhaust lineup for theBMW 135i. We came at this project from every angle and have come up with a solution that will fit every driver. We have an Exhaust that will fit the needs of the driver who needs to shuttle clients in the car to the full blown track machines that compete and participate in HPDE, Time Attack, club racing, and autocross events. Each component is fully modular and can be used with a mix of OEM BMW & Berk components to come up with the right Exhaust system for you.
BMW 135i Exhaust MadDad Street Series Cold Startup
135i Exhaust by MadDad(TM). This BMW 135i EuroSport Street series is aggressive, yet its been tuned to you can still drive on the highway without rattling your head like so many other louder Exhausts of this type. There is enough in-cabin sound refinement for any enthusiast who wants it loud but still wants to have a clear head after a long highway cruise. This clip is from a cold startup...car was sitting for a week without being started. This is just the EuroSport Exhaust. Factory downpipes and factory midpipe are still on the car
BMW 135i Performance Exhaust
BMW 135i performance Exhaust. This is a MadDad EuroSport Street Series Exhaust installed on a BMW 135i. This Exhaust will fit any 2008+ BMW 135i including the new 2011 135i single turbo models. It's an agressive Exhaust using the latest "muffler-less" design yet maintains an easy to live with interior sound quality by incorporating a MadDad designed TuneCore inner baffle designed specifically to minimize cabin drone during around town low rpm cruising and typical highway cruising.