Active Autowerke Track Pipe "Section B" - E36 325 / 328 / M3 92 - ON BMW 7 Series G11/G12 (2016+) 750i xDrive N63 4.4L If you have an Alpha

If you have an Alpha N

from a day of shopping to an afternoon at the beach

This ring is the perfect piece to suit every side of your style

Height - 4"

But an Active Autowerke methonalanol-water injection system will help chill the intake charge to a cooler temperature – effectively combating the heat soak effect

Active Autowerke Track Pipe "Section B" - E36 325 / 328 / M3 92 - ON BMW 7 Series G11/G12 (2016+) 750i xDrive N63 4.4L If you have an AlphaThe Active Autowerke Track Pipe is comprised of TWO main components. This is the SECTION (B) which is the latter part. If you install the Active Autowerke performance headers, but would like to run a rear exhaust like the BMW Factory; Active Autowerke GEN 3; Supersprint; Remus; or others, then you need the Active Autowerke Track Pipe SECTION (B). The Active Autowerke SECTION (B) bolts directly to the Active Autowerke headers in an seamless operation.