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Wanmax Racing
Mirror-Polished 3-Into-1 Exhaust Header Pair for BMW E46 E39 Z3 Z4 M52 M52TU M54 LHD
$160.00
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CODE: WM-BMW-E46-E39-Z3-Z4-M52-M52TU-M54-LHD-3IN1-HDR-PAIR
Categories: Exhaust Header
100% ORIGINAL AND QUALITY
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DESCRIPTION
This two‑piece 3‑into‑1 exhaust header manifold is exclusively built for left‑hand‑drive BMW M52, M52TU and M54 inline‑6 engines.
Dual‑collector layout reduces exhaust interference and improves scavenging effect, bringing improved throttle response and enhanced natural inline‑six exhaust tone. TIG welded construction with CNC‑machined flanges and pre‑welded O2 sensor bungs, complete with gaskets for direct bolt‑on installation.
Constructed from 201 stainless steel with polished mirror surface finish. Dual‑collector 3‑into‑1 structure processes cylinders 1‑3 and 4‑6 separately to minimize exhaust pulse overlap. Every joint is TIG welded for structural strength. Independent CNC‑machined three‑port flanges guarantee tight leak‑free sealing against cylinder head. Pre‑welded O2 sensor bungs allow straightforward oxygen sensor mounting. This item fits left‑hand‑drive vehicles only, not compatible with RHD versions. Retains factory mounting points, no heavy modification required for street tuning builds.
VEHICLE FITMENT
- BMW 3 Series E46 — Car / Sedan / Coupe, M52 / M52TU / M54 Inline‑6 Engine
- BMW 5 Series E39 — Car / Sedan, M52 / M52TU / M54 Inline‑6 Engine
- BMW Z3 Roadster — Car / Roadster, M52 / M52TU / M54 Inline‑6 Engine
- BMW Z4 E85 — Car / Roadster, M52 / M54 Inline‑6 Engine
Fit models: 323i, 325i, 328i, 330i; 525i, 528i, 530i; Z3 2.2i,2.5i,2.8i,3.0i; Z4 E85 2.2i,2.5i,3.0iImportant Note: Left‑Hand Drive (LHD) vehicles only, NOT for Right‑Hand Drive (RHD)
KEY FEATURES
- Structure Design: Two‑piece dual‑collector 3‑into‑1 layout, optimizes scavenging for inline‑six motor, reduces exhaust gas interference
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Material: 201 stainless steel, mirror polished surface finish
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Welding Craft: Full TIG welded joints for structural strength and durability
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Flange Performance: Independent CNC‑machined 3‑port flanges, precise positioning, leak‑free sealing
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Sensor Port: Pre‑welded O2 sensor bungs, supports original oxygen sensor installation
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Fitment Restriction: Strictly for Left‑Hand Drive (LHD) vehicles, RHD is not supported
- Installation Type: Direct bolt‑on, matches OEM mounting geometry, no heavy modification needed
TECH SPECIFICATIONS
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Product Type: Two‑Piece Exhaust Header Manifold Set
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Main Material: 201 Stainless Steel
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Pipe Layout: Dual‑collector 3‑into‑1 per bank
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Surface Treatment: Mirror Polished
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Welding Process: TIG precision welding
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Flange Spec: CNC‑machined independent 3‑port exhaust flanges
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Extra Ports: Pre‑welded O2 sensor bungs
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Applicable Engine: M52, M52TU, M54 Inline‑6
- Drive Side: LHD Only, incompatible with RHD
WHAT'S IN THE BOX
1 x Pair exhaust header manifolds
Full Set OEM Matching Installation Gaskets & Hardware Kit
