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Active Autowerke Signature single mid-pipe for BMW S58 G80 M3, G82 M4
ACTIVE AUTOWERKE

Active Autowerke Signature Single Mid-Pipe — S58 (G80 M3 / G82 M4)

$1,438.80

Active Autowerke Signature single (merge) mid-pipe for the S58 — G80 M3, G82 M4. Merges the two banks into one large-diameter pipe right after the downpipes — maximum flow and the deepest, most aggressive tone in the S58 mid-pipe lineup.

The design

A single large-bore merge in 304 stainless, with the G-brace to restore tunnel rigidity once the factory mid-section is out. Louder and deeper than the X-pipe or the equal-length — the choice when you want the car to sound unmistakably built. (No secondary-cat option on the single-merge.)

Choosing your mid-pipe

Equal-length = smoothest and most refined; X-pipe = deeper, with an optional secondary-cat version; single-merge (this one) = loudest and most aggressive.

Where it fits

Sits between the S58 downpipes and the rear exhaust. Off-road / race use only.

Fitment

BMW S58 — G80 M3, G82 M4. Confirm your chassis in the selector.

Fits engine S58
Fits chassis G80 · G82
Category Exhaust
Manufacturer Active Autowerke

Ships from Boca Raton, FL.

WHY WE SHIP ACTIVE AUTOWERKE
Active Autowerke has been building hardware for BMW for a long time, and that history shows in supercharger systems and exhausts that are engineered to a specific chassis rather than adapted to it. We carry their hardware because the depth of platform knowledge behind it tends to mean the kit fits and the supporting components are accounted for. On the naturally-aspirated platforms where a supercharger is the clean route to a real power increase, this is established, proven hardware. We reach for it when a customer wants a forced-induction path with a long track record behind it.