Active Autowerke E9X M3 Signature X Pipe with GESI Ultra High Flow Cats (11-018) 1670 Up to 50% lighter than

Up to 50% lighter than the OEM grille panel

A thick stainless-steel heat shield protects the pipe from the hot turbocharger manifold

Includes Firewall Adjuster To Allow adjustment from under the hood not under the car

eliminating the need to use an external MAP sensor to reference boost pressures

Active Autowerke E9X M3 Signature X Pipe with GESI Ultra High Flow Cats (11-018) 1670 Up to 50% lighter thanThe Active Autowerke E9X M3 Signature X Pipe with GESI Ultra High Flow Catalysts is engineered as a true bolt on upgrade designed to fit BMW E9X M3 models without cutting or welding. Constructed from 100% 304 brushed stainless steel, this X Pipe features high flow GESI catalytic converters engineered to maintain optimal emissions control without triggering a Check Engine Light. Includes two 4" GESI G Sport high flow catalytic converters, EPA