High-Flow Catless Downpipes — BMW S58 (M2 / M3 / M4 / X3M / X4M) (OUT OF STOCK) (PRE-ORDER)

Details

Wake Up the S58 Full Boost, Full Sound, Turbo Breathability.

The single biggest bolt-on for your S58. Our high-flow stainless downpipe replaces the restrictive factory unit to free up exhaust flow, sharpen turbo spool, and unlock the deep, aggressive tone the S58 is capable of, the foundation every serious build starts with.

Why it's the first mod:

• T304 stainless construction — mandrel-bent, fully welded, built to last.
• Bigger bore, less restriction — improves spool and supports more power on a tune.
• Deeper, louder note — opens up the twin-turbo S58 sound instantly.
• Direct bolt-on fitment — reuses factory hangers and hardware, no cutting.

Fits: BMW G87 M2, G80 M3, G82 M4, F97 X3M & F98 X4M (S58). Choose your chassis at checkout.

Off-road / track use. Pairs perfectly with our Midpipes/resonator delete, and carbon tips.

🔧 30-day fitment guarantee.