F8X BMW M3 & M4 Single Mid Pipe includes Active F-brace Rear Muffler:non-resonated black or carbon stainless tips

black or carbon stainless tips

They generate a ton of incremental heat during operation

The factory E9X M3 muffler features a Noise Canceling Chamber inside the muffler and Active Autowerke has retained this feature by adding two custom Active Autowerke noise canceling chambers (NCC)on each muffler to reduce/minimize the drone (the 'booming' noise some muffler emit at cruising speeds

digital or analog

We believe our rear exhaust combined with our mid-pipe (either single or equal length) offers the best combination of sound and performance versus any other system on the market today

F8X BMW M3 & M4 Single Mid Pipe includes Active F-brace Rear Muffler:non-resonated black or carbon stainless tipsNOW AVAILABLE WITH EXHAUST DUMP. ***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to info@activeautowerke. com and you can fax it to us at (305) 253 8921*** Active Autowerke has been an industry leader in engineering high quality BMW performance products for over 41 years. Dedicated to improving performance