Direct-fit 70mm catless downpipes for BMWs with the N54 engine: E82 135i, E82 1M, E90/E91/E92/E93 335i and 335is. No cutting, no fabrication - bolt on to stock turbo and exhaust.
Made from 1.4301 stainless steel with a flex section for thermal movement and vibration isolation. True 70mm internal diameter throughout - zero catalytic restriction, faster spool, sharper throttle response and that unmistakable N54 bark.
Wagner part number: 500001002
Stage 1 or stage 2 fast-road or track-day compatible
