F8X BMW M3 & M4 Single Mid Pipe includes Active F-brace Rear Muffler:non-resonated Active Autowerke DOUBLE Blow-off Valve

Active Autowerke DOUBLE Blow-off Valve Set-up

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

Active AFlow Series Catalytic Converters are EPA registered and compliant in 49 states and fully OBD2 compliant

Active Autowerke has created a full exhaust system for the G80/G82 which comprises this rear axle-back valved exhaust

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F8X BMW M3 & M4 Single Mid Pipe includes Active F-brace Rear Muffler:non-resonated Active Autowerke DOUBLE Blow-off ValveNOW 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