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Wanmax Racing
Mirror-Polished SS304 High-Flow Downpipe for BMW M340i G20/Z4 G29/Toyota Supra A90 B58 3.0L Turbo
$250.00
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CODE: WMR-BMW-M340I-G20-Z4-G29-SUPRA-A90-B58-30T-SS304-DP
Categories: Exhaust Downpipe
100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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DESCRIPTION
Cut Exhaust Backpressure & Enhance Turbo Power Delivery for BMW B58 3.0L Turbo.
This mirror‑polished SS304 high‑flow downpipe removes OEM exhaust restrictions to deliver improved turbo spool and deep aggressive exhaust tone. Built‑in woven flex mesh absorbs thermal expansion and engine vibration to eliminate pipe fatigue cracking. Pre‑tapped OEM‑standard sensor bungs retain factory sensor hardware. CNC‑machined sealing flanges support direct bolt‑on installation, all mounting hardware supplied with 1‑year warranty.
VEHICLE FITMENT
- BMW 3 Series M340i G20 — All Years (3.0L B58 Turbo Engine)
- BMW Z4 G29 — All Years (3.0L B58 Turbo Engine)
- Toyota Supra A90 — All Years (3.0L B58 Turbo Engine)
KEY FEATURES
- Heavy‑Duty SS304 Stainless Steel with Mirror Polished Surface: Anti‑corrosion and heat resistant for long street & track use.
- Optimized High‑Flow Internal Pipe Geometry: Reduce exhaust backpressure to boost turbo response and sport exhaust acoustics.
- Built‑In Woven Flex Mesh Joint: Absorb thermal expansion and vibration stress to prevent pipe cracking under heavy load.
- Pre‑Tapped OEM‑Spec O2 Sensor Bungs: Perfectly accommodate stock oxygen sensors for plug‑and‑play assembly.
- CNC Precision Machined Sealing Flanges: Flat seamless contact surface to fully prevent exhaust leakage after fitment.
- 100% OEM Direct Bolt‑On Fitment: Chassis‑scanned design without cutting or modification, 1‑year quality warranty included.
TECH SPECIFICATIONS
- Material: Thick High Grade SS304 Stainless Steel with Mirror Polished Surface
- System Type: High‑Flow Performance Exhaust Downpipe
- Welding Process: Handcrafted Full TIG Seamless Air‑Tight Welding
- Fitment Type: OEM Direct Bolt‑On Replacement
- Compatible Engine: 3.0L B58 Turbo
WHAT'S IN THE BOX
- 1 x Mirror Polished SS304 High‑Flow Downpipe
- Full Set OEM Matching Installation Bolt Hardware Kit
