Active Autowerke Downpipe W/ GESI G - Sport Cat - 2016+ M240i / 340i / 440i (B58) (11-062)
SKU: 94672116972

Active Autowerke Downpipe W/ GESI G - Sport Cat - 2016+ M240i / 340i / 440i (B58) (11-062)

Sale price$640.82 Regular price$712.02
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Active Autowerke Downpipe W/ GESI G - Sport Cat - 2016+ M240i / 340i / 440i (B58) (11-062)Active Autowerke's downpipe for the 2016+ BMW M240i, 340i, and 440i (B58 engine) improves exhaust flow for enhanced turbo response by replacing the restrictive OEM downpipe. Utilizes 4. 5" diameter 304 stainless steel piping for increased flow and durability Includes a 4. 5" high flow GESI G Sport catalytic converter that avoids Check Engine Lights Converter is EPA registered, OBD2 compliant, and rated for 500 850 hp applications (not CARB legal)

Active Autowerke's downpipe for the 2016+ BMW M240i, 340i, and 440i (B58 engine) improves exhaust flow for enhanced turbo response by replacing the restrictive OEM downpipe.

  • Utilizes 4.5" diameter 304 stainless steel piping for increased flow and durability
  • Includes a 4.5" high flow GESI G-Sport catalytic converter that avoids Check Engine Lights
  • Converter is EPA registered, OBD2 compliant, and rated for 500-850 hp applications (not CARB legal)
  • Features stainless flex joint and tapers down to OEM 80mm exhaust outlet diameter
  • Precision fit with casted stainless steel V-Band for easy bolt-on installation (no cutting or welding)
  • Constructed from TIG welded 304 stainless steel with ultra-high flow 400 cell per square inch catalyst
  • Withstands temperatures up to 1500°F and reaches operational efficiency within 9 seconds of startup

This downpipe optimizes turbocharger spool by enabling faster exhaust gas evacuation while maintaining emissions compliance under federal EPA standards (except California). It supports forced induction setups without sacrificing engine performance or triggering emissions warnings.

Note: Not legal for use in California per state vehicle code sections 27156 and 38391. Federal law prohibits tampering with emissions control devices; this part meets EPA standards for aftermarket repair or replacement.

Part Type: Downpipe
Fitment: Vehicle Specific for 2016+ BMW M240i / 340i / 440i with B58 engine

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 94672116972

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Carolina
Battle Creek, US
★★★★★ 5
Amazing box the best
Size: Large, Color: Black
The ultimate TOP jewlery box !! Really amazing convenient and well created to fit a lot of jewelries
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Reviewed in the United States on May 21, 2026
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Holo
San Leandro, US
★★★★★ 5
Good Gift for a wife
Size: Large, Color: Apricot
I was looking for an exciting and yet affordable gift for my wife, and I bought this, and it did the job by far. It has a clean design that gives it a high-end brand look, and it has plenty of pockets for all kinds of jewelry. The quality looks awesome, too.
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Reviewed in the United States on May 26, 2026
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Grannie
West Palm Beach, US
★★★★★ 5
Good choice!
Size: Large, Color: Black
Beautiful box. Can last a lifetime.
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Reviewed in the United States on May 20, 2026
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Colby Pippin
Alexandria, US
★★★★★ 4
great product!
Size: Large, Color: Black
great size and organization options! quite sturdy and great design. would buy
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Reviewed in the United States on April 3, 2026
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Grace
Houston, US
★★★★★ 5
Great place to store jewelry
Size: Large, Color: Black, Size: Large, Color: Black
This is a great jewelry box! It holds my watches, rings, bracelets, earrings, necklaces with no issues. I like that it can be customized to make certain things fit. A great purchase for anyone looking for a place to store their jewelry.
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Reviewed in the United States on February 15, 2026

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