Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set S-Class (W221) Polished Indy or Black Ceramic

Polished Indy or Black Ceramic Indy tailpipes

Including mounting material

Capacity - 180 Ah (PbEq)

The de-cat exhaust version is sold for motorsport and off road use only worldwide

Replaces catalytic converter

Fall-Line Motorsports E9X M3 / E82 1M Billet Aluminum Rear Trailing Arm Set S-Class (W221) Polished Indy or Black CeramicBest of the best. Fall Line Motorsports has taken everything they've learned in manufacturing over the last decade to create an ultra high end interpretation of the E9X E82 1M tension trailing arm. Fall Line's bespoke version discards the deformation prone stamped steel arm in favor of 5 axis CNC machined, billet aluminum. This pair has been gorgeously crafted and pocketed (to save weight without compromise to rigidity) and is hard coat black anodized