Which GESI Catted Downpipe for F3X option fits my car?

Start with the engine code. B48 cars take the B48 option. B46 cars built through 08/2020 have the downpipe brackets in a V and take the first B46 option, while G-chassis B46 cars built from 09/2020 have them in a straight line and take the G-Chassis option. Active Autowerke asks for the VIN on cutover builds.

Is a tune needed with the GESI downpipe?

No. Active Autowerke sells the GESI Catted Downpipe for F3X and G2X cars to run on factory software, and states it will not trigger a catalyst efficiency code. Its converter is rated from 300 to 500 horsepower, so a later tune stays within what the catalyst is built to handle.

How is the GESI version different from the AFlow version?

Both share the 3.5 inch stainless pipework, a 4 inch converter and the same 300 to 500 horsepower rating. The GESI version uses a GESI G-Sport HO Gen 2 converter, costs more, and is the only one of the two offered in the straight-bracket design for G-chassis B46 cars built from 09/2020.

Why does the downpipe arrive with the gasket installed?

Active Autowerke began seating the turbo flange gasket in the downpipe flange before shipping after some customers damaged loose gaskets during installation. The installer offers the downpipe up to the turbo and tightens the V-band, with no separate gasket to align.

What is the GESI downpipe made from?

The tubing is 304 stainless steel with a 1.5mm wall, TIG welded in Miami, Florida. The GESI converter uses 304 stainless for its shell and for its 400 cell substrate, which is furnace brazed to the mantle and rated to withstand exhaust temperatures up to 1500F.

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Description

Active Autowerke GESI Catted Downpipe for F3X and G2X BMW 230i, 330i, 330e and 430i

Active Autowerke’s GESI Catted Downpipe for F3X and G2X BMW 230i, 330i, 330e and 430i covers every engine and build-date split on this platform: the B48, B46 cars built up to 08/2020, and G-chassis B46 cars from 2021, whose downpipe brackets run in a straight line rather than the earlier V. Each version pairs 3.5 inch 304 stainless pipe with a 4 inch GESI G-Sport HO Gen 2 converter, TIG welded in Miami, Florida, and ships with the turbo gasket already seated in its flange. Owners of later B46 cars should start here, since the AFlow Catted Downpipe for F3X and G2X does not offer the straight-bracket version.

Features

GESI G-Sport HO Gen 2 converter on a 304 stainless substrate brazed to the mantle
EPA registered and OBD2 compliant converter
No catalyst efficiency check engine light, per Active Autowerke
Turbo flange gasket pre-installed to protect it during fitting
Runs on factory software with no tune
Cast stainless V-band at the turbo and a stainless flex joint, bolting on with no cutting or welding
Made in Miami, Florida

Specifications

Piping diameter: 3.5 in
Wall thickness: 1.5mm
Converter diameter: 4 in
Catalyst cell density: 400 cpsi
Rated output: 300 to 500 hp
Heat tolerance: Up to 1500F
Light-off time: Within 9 seconds of startup

Applications

BMW 230i: F22 / F23 | 2017-2021 | 2.0L B46 / B48
BMW 230i: G42 | 2022-present | 2.0L B46 / B48
BMW 330e: G20 | 2.0L B46 / B48
BMW 330i: F30 | 2017-2019 | 2.0L B46 / B48
BMW 330i: G20 | 2019-present | 2.0L B46 / B48
BMW 430i: F32 / F33 / F36 | 2017-2020 | 2.0L B46 / B48
BMW 430i: G22 / G23 / G26 | 2021-present | 2.0L B46 / B48

Notes

Pick the option by engine code and build date: B46 (to 08/2020), B46 (G-Chassis from 2021) or B48
Include the VIN with a GESI Catted Downpipe for F3X order if the car was built in 08/2020 or 09/2020
Built for US-model cars only
The shell and tube ends carry 5 years or 50,000 miles of cover and the catalytic core 2 years or 25,000 miles, for the original buyer. Burble tuned above stock voids it.

Frequently Asked Questions

Which GESI Catted Downpipe for F3X option fits my car? Start with the engine code. B48 cars take the B48 option. B46 cars built through 08/2020 have the downpipe brackets in a V and take the first B46 option, while G-chassis B46 cars built from 09/2020 have them in a straight line and take the G-Chassis option. Active Autowerke asks for the VIN on cutover builds.
Is a tune needed with the GESI downpipe? No. Active Autowerke sells the GESI Catted Downpipe for F3X and G2X cars to run on factory software, and states it will not trigger a catalyst efficiency code. Its converter is rated from 300 to 500 horsepower, so a later tune stays within what the catalyst is built to handle.
How is the GESI version different from the AFlow version? Both share the 3.5 inch stainless pipework, a 4 inch converter and the same 300 to 500 horsepower rating. The GESI version uses a GESI G-Sport HO Gen 2 converter, costs more, and is the only one of the two offered in the straight-bracket design for G-chassis B46 cars built from 09/2020.
Why does the downpipe arrive with the gasket installed? Active Autowerke began seating the turbo flange gasket in the downpipe flange before shipping after some customers damaged loose gaskets during installation. The installer offers the downpipe up to the turbo and tightens the V-band, with no separate gasket to align.
What is the GESI downpipe made from? The tubing is 304 stainless steel with a 1.5mm wall, TIG welded in Miami, Florida. The GESI converter uses 304 stainless for its shell and for its 400 cell substrate, which is furnace brazed to the mantle and rated to withstand exhaust temperatures up to 1500F.

About Active Autowerke

Active Autowerke was founded in Miami, Florida in 1981 by brothers Mike and Karl Hugh as a BMW service shop, and turned to performance in late 1995 when Karl, a University of Miami engineering graduate, led its first M3 and 325i turbo kits. Supercharger kits for the E36, E46 and E9X followed, and its Signature Equal Length mid-pipe is protected by US Patent 11248511 and European and UK Patent 3882441.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Active Autowerke GESI Catted Downpipe for F3X and G2X BMW 230i, 330i, 330e and 430i

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Active Autowerke GESI Catted Downpipe for F3X and G2X BMW 230i, 330i, 330e and 430i

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Notes

Frequently Asked Questions

About Active Autowerke

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