This listing mentions: G80 · G82 — confirm against your exact build.
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Call it what you want — it's the same part. Younger builders call these S58 DP, catted DP, M3 DP and M4 DP. Old-school guys call them catalytic downpipe, turbo downpipe and exhaust down pipe.
First S58-specific downpipe in the catalog (DB has S58 charge/manifold items, no downpipes). Nantong Fengyun already in DB twice (B58 catted downpipe; 350Z catless Y-pipe) — proven line. With flexpipe ("M PERFORMANCE" style, not OEM). Cell count not stated — 200-cell vs 400-cell affects CEL risk on G-chassis; buyer confirms with seller. Material grade UNVERIFIED (not stated on card — do not claim 304). Catted; check local emissions legality; buyer confirms year/model/VIN with seller. Pending: detail URL, grade, image — live-browser pass. Search it your way — Younger builders call these S58 DP, catted DP, M3 DP and M4 DP. Old-school guys call them catalytic downpipe, turbo downpipe and exhaust down pipe.
