Which GESI Catted Downpipe for B46 or B48 fits my Supra?

Active Autowerke offers the GESI Catted Downpipe for B46 and B48 engines as two versions, each with its matching turbo gasket, so check the engine code before ordering. A Toyota dealer can read the engine code from the VIN, and the option names on this listing match those codes.

Is the GESI catalyst better than the AFlow on the Supra 2.0?

No, not on paper. Both converters are 4 inch units rated for 300 to 500 horsepower, both are EPA registered and OBD2 compliant, and Active Autowerke states that neither will set a catalyst efficiency code. The GESI version costs more and suits owners who prefer a GESI G-Sport catalyst.

Does the GESI downpipe require a tune?

No. Active Autowerke sells it as a no-tune part for the GR Supra 2.0 on factory software. Tuning later is supported by the converter rating of 300 to 500 horsepower, which sits well above the output of the factory four-cylinder engine.

Is installation difficult?

No. The downpipe bolts on with no cutting or welding, using a cast stainless V-band at the turbo and the factory ball flare or slip-in connection at the rear. The gasket is pre-installed, which removes the most delicate step, and a lift makes access far easier than working on the ground.

What does the warranty cover?

Cover runs 5 years or 50,000 miles on the stainless shell and tube ends and 2 years or 25,000 miles on the catalytic core, for the first owner only. Active Autowerke excludes cars tuned for more burble than stock, because repeated afterfire breaks down the catalyst core.

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Description

Active Autowerke GESI Catted Downpipe for B46 / B48 Toyota GR Supra 2.0

Active Autowerke’s GESI Catted Downpipe for B46 / B48 Toyota GR Supra 2.0 fits a 4 inch GESI G-Sport HO Gen 2 converter to the four-cylinder Supra, on 3.5 inch stainless pipework developed from the Signature downpipe Active Autowerke builds for BMW’s F-chassis cars with this engine. The converter is EPA registered and OBD2 compliant, rated for 300 to 500 horsepower and built on a 400 cell stainless substrate brazed to its mantle, while the pipe is TIG welded in Miami, Florida. Its rating matches the AFlow Catted Downpipe for B46 / B48, which costs less, so this version is for owners who prefer a GESI catalyst by name.

Design and Performance

Active Autowerke settled on 3.5 inch pipe with the fewest bends it could manage, because back pressure during spool-up slows the turbo. A cast stainless V-band takes the turbo end, the gasket arrives already seated in the flange, and a stainless flex joint feeds the factory exhaust through its ball flare or slip-in joint.

Features

GESI G-Sport HO Gen 2 converter with GESI proprietary precious metal loading
EPA registered and OBD2 compliant converter
No catalyst efficiency check engine light, per Active Autowerke
Runs on factory software with no performance tune
Bolt-on installation 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

Toyota GR Supra 2.0: 2021-2024 | 2.0L B46 / B48

Notes

Order the B46 or B48 version of the GESI Catted Downpipe for B46 / B48 according to the engine code of your car
Supra 3.0 owners need the GESI Catted Downpipe for A90 GR Supra 3.0
The shell and tube ends carry a 5 year or 50,000 mile warranty and the catalytic core 2 years or 25,000 miles, for the original purchaser. Burble tuned above stock voids it.

Frequently Asked Questions

Which GESI Catted Downpipe for B46 or B48 fits my Supra? Active Autowerke offers the GESI Catted Downpipe for B46 and B48 engines as two versions, each with its matching turbo gasket, so check the engine code before ordering. A Toyota dealer can read the engine code from the VIN, and the option names on this listing match those codes.
Is the GESI catalyst better than the AFlow on the Supra 2.0? No, not on paper. Both converters are 4 inch units rated for 300 to 500 horsepower, both are EPA registered and OBD2 compliant, and Active Autowerke states that neither will set a catalyst efficiency code. The GESI version costs more and suits owners who prefer a GESI G-Sport catalyst.
Does the GESI downpipe require a tune? No. Active Autowerke sells it as a no-tune part for the GR Supra 2.0 on factory software. Tuning later is supported by the converter rating of 300 to 500 horsepower, which sits well above the output of the factory four-cylinder engine.
Is installation difficult? No. The downpipe bolts on with no cutting or welding, using a cast stainless V-band at the turbo and the factory ball flare or slip-in connection at the rear. The gasket is pre-installed, which removes the most delicate step, and a lift makes access far easier than working on the ground.
What does the warranty cover? Cover runs 5 years or 50,000 miles on the stainless shell and tube ends and 2 years or 25,000 miles on the catalytic core, for the first owner only. Active Autowerke excludes cars tuned for more burble than stock, because repeated afterfire breaks down the catalyst core.

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 B46 / B48 Toyota GR Supra 2.0

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Active Autowerke GESI Catted Downpipe for B46 / B48 Toyota GR Supra 2.0

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About Active Autowerke

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