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Wanmax Racing
Brushed Catless Downpipe for BMW B46 2.0T 230i 330i 430i 530i
$186.00
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CODE: WM-BMW-B46-20T-F22-F30-G20-G30-G42-A90-CATLESS-DP
Categories: Exhaust Downpipe
100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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DESCRIPTION
Maximize Airflow. Elevate Sound. Awaken Your B46 Engine.
The factory downpipe contains a restrictive catalytic converter that chokes your B46 engine's potential, stifling both horsepower and exhaust sound. This Premium Brushed High-Flow Performance Downpipe is engineered to break those restrictions. By significantly expanding the piping diameter and optimizing exhaust gas flow, it reduces backpressure, allows the turbo to spool much faster, and delivers a deeper, more aggressive exhaust note that matching the sporting pedigree of your vehicle.
VEHICLE FITMENT
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BMW B46 Downpipe 100% Fitment List
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Make
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Chassis
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Year Range
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Model Variant
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Engine Type
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For
BMW
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F22 / F23
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2017–2021
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230i / 230i xDrive
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2.0L B46 Turbo I4
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For
BMW
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G42
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2022–Present
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230i / 230i xDrive
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2.0L B46 Turbo I4
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For
BMW
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F30 / F31 / F34
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2017–2018
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330i / 330i xDrive
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2.0L B46 Turbo I4
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For
BMW
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G20
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2019–Present
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330i / 330i xDrive / 330e
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2.0L B46 Turbo I4
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For
BMW
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F32 / F33 / F36
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2017–2020
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430i / 430i xDrive / Gran Coupe
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2.0L B46 Turbo I4
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For
BMW
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G22 / G23 / G26
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2021–Present
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430i / 430i xDrive / Gran Coupe
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2.0L B46 Turbo I4
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For
BMW
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G30
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2017–2023
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530i / 530i xDrive / 530e
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2.0L B46 Turbo I4
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For
BMW
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G29
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2019–Present
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Z4 sDrive30i
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2.0L B46 Turbo I4
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For Toyota
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A90 / DB82
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2020–Present
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GR Supra 2.0T
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2.0L B46 Turbo I4
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KEY FEATURES
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Innovative 3-Bung Configuration (US-Spec Friendly): Specially engineered with 3 pre-welded O2 sensor bungs (M18x1.5). This provides a perfect, hassle-free match for North American / US-spec B46 engines without requiring any custom welding or midpipe modifications. It allows tuners to plug in a wideband AFR gauge directly, saving significant workshop fabrication costs.
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Heavy-Duty Interlocked Flex Section: Features a high-density, premium stainless steel braided flex pipe. It efficiently absorbs massive engine vibrations and manages extreme thermal expansion, effectively preventing downstream exhaust cracking and dramatically extending the lifespan of the entire setup.
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Precision CNC-Machined V-Band Connection: Equipped with a warp-free, thick heavy-duty V-band flange that ensures a 100% airtight and leak-free seal with the factory turbocharger. It guarantees factory-like seating and a fast, straightforward direct bolt-on installation with no extra modification needed.
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Premium T304 Stainless Steel Construction: Constructed from top-tier, mandrel-bent T304 stainless steel tubing with a uniform wall thickness. Combined with flawless, back-purged TIG welds, this downpipe is completely anti-rust, anti-crack, and thoroughly track-tested to withstand extreme track racing temperatures.
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Optimized High-Flow & Aggressive Sound: Designed as a smooth, catless straight-through internal architecture. By optimizing exhaust gas velocity and drastically reducing backpressure, it unlocks maximum horsepower, enhances linear throttle response, and delivers a deep, aggressive exhaust note.
- Upgraded Interlock Inner Liner Section: " Unlike cheap mesh-only flex pipes that collapse under high pressure, our heavy-duty interlocked inner liner ensures uninterrupted exhaust gas flow and maximum resistance to high turbo-back exhaust velocities
- Standard 1/8" NPT EGT Bung: " The 4th smaller port is precisely threaded to 1/8" NPT, making it instantly compatible with 99% of aftermarket Exhaust Gas Temperature (EGT) sensor probes and racing gauges on the market
TECH SPECIFICATIONS
- Material: High-Quality TIG-Welded Stainless Steel
- Surface Finish: Industrial Brushed Texture
- Piping Layout: High-Flow Large Diameter Design
- Fitment Type: Direct Replacement / Bolt-on
WHAT'S IN THE BOX:
- 1x Brushed Stainless Steel B46 Downpipe
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Full Set OEM Matching Installation Clamps & Hardware Kit
