How does the GESI Catted Downpipe for G16E-GTS compare with the AFlow version?

The GESI Catted Downpipe for G16E-GTS uses the same 4.5 inch stainless pipework as the AFlow version but costs more, and its converter is rated for 500 to 850 horsepower. For a GR Corolla near its factory 300 horsepower, the AFlow converter, rated to 800 horsepower, already covers the output with room to spare.

Do I need a tune after installing it?

No. Active Autowerke sells this GR Corolla downpipe as needing no performance tune, so it can go on with the factory engine software in place. Owners who later add a tune can make more use of the reduced back pressure, but the downpipe does not depend on one to run correctly.

Will the GESI converter cause a check engine light?

Active Autowerke states that the GESI converter will not set a catalyst efficiency code on the GR Corolla. It rates the converter to reach operating efficiency within 9 seconds of startup, and the unit is EPA registered and fully OBD2 compliant for 1996 and newer vehicles.

How hard is the installation?

The downpipe is a direct bolt-on. A cast stainless V-band fixes it to the turbo, and the 3 inch outlet with its stainless flex joint lines up with the factory exhaust, so there is no cutting or welding. A shop with a lift will find it a straightforward job, and the stock part can go back on.

Active Autowerke designs and builds the downpipe in Miami, Florida, from TIG welded 304 stainless steel with a 1.5mm wall. The GESI converter inside is also 304 stainless, including its metallic substrate, and is rated for exhaust temperatures up to 1500F.

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Description

Active Autowerke GESI Catted Downpipe for G16E-GTS Toyota GR Corolla

Active Autowerke’s GESI Catted Downpipe for G16E-GTS Toyota GR Corolla pairs the Miami shop’s large-bore stainless downpipe with a GESI G-Sport ultra high output converter, the stronger of the two catalysts Active Autowerke offers for this car. The G16E-GTS is a 1.6 liter turbocharged three-cylinder that Toyota rates at 300 horsepower, and GESI rates this converter for engines making 500 to 850 horsepower. That headroom is the point of paying more. An owner planning a bigger turbo or serious tuning gets a catalyst sized for the destination, while a stock or lightly tuned GR Corolla is served just as well by the AFlow Catted Downpipe for less money.

Construction

The pipe runs at 4.5 inches through as few bends as Active Autowerke could achieve, then steps down to a 3 inch outlet with a stainless flex joint where it meets the factory GR Corolla exhaust. The GESI converter is 304 stainless right through its substrate, which is furnace brazed to the mantle, and a cast stainless V-band handles the turbo connection.

Features

GESI G-Sport UHO-Series converter, EPA registered and OBD2 compliant
Active Autowerke states it will not set a catalyst efficiency check engine light
TIG welded 304 stainless steel with a cast stainless V-band
Bolt-on installation, no cutting or welding
No performance tune needed
Made in Miami, Florida

Specifications

Piping diameter: 4.5 in
Outlet diameter: 3 in
Wall thickness: 1.5mm
Converter diameter: 4.5 in
Catalyst cell density: 400 cpsi
Rated output: 500 to 850 hp
Heat rating: Up to 1500F
Light-off time: Within 9 seconds of startup

Applications

Toyota GR Corolla: E210 | 2023-present | 1.6L G16E-GTS

Notes

The GESI Catted Downpipe for G16E-GTS carries a 5 year or 50,000 mile warranty on the shell and tube ends and 2 years or 25,000 miles on the catalytic core, for the original purchaser. Excessive burble from a tune voids it, as that destroys the core.
A lower-cost version with an Active AFlow converter is the AFlow Catted Downpipe for G16E-GTS Toyota GR Corolla

Frequently Asked Questions

How does the GESI Catted Downpipe for G16E-GTS compare with the AFlow version? The GESI Catted Downpipe for G16E-GTS uses the same 4.5 inch stainless pipework as the AFlow version but costs more, and its converter is rated for 500 to 850 horsepower. For a GR Corolla near its factory 300 horsepower, the AFlow converter, rated to 800 horsepower, already covers the output with room to spare.
Do I need a tune after installing it? No. Active Autowerke sells this GR Corolla downpipe as needing no performance tune, so it can go on with the factory engine software in place. Owners who later add a tune can make more use of the reduced back pressure, but the downpipe does not depend on one to run correctly.
Will the GESI converter cause a check engine light? Active Autowerke states that the GESI converter will not set a catalyst efficiency code on the GR Corolla. It rates the converter to reach operating efficiency within 9 seconds of startup, and the unit is EPA registered and fully OBD2 compliant for 1996 and newer vehicles.
How hard is the installation? The downpipe is a direct bolt-on. A cast stainless V-band fixes it to the turbo, and the 3 inch outlet with its stainless flex joint lines up with the factory exhaust, so there is no cutting or welding. A shop with a lift will find it a straightforward job, and the stock part can go back on.
Where is it made? Active Autowerke designs and builds the downpipe in Miami, Florida, from TIG welded 304 stainless steel with a 1.5mm wall. The GESI converter inside is also 304 stainless, including its metallic substrate, and is rated for 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 G16E-GTS Toyota GR Corolla [11-572]

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Active Autowerke GESI Catted Downpipe for G16E-GTS Toyota GR Corolla

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