What vehicles does the Dinan Supra cat-back exhaust fit?

The Dinan Supra cat-back exhaust fits the A90 and A91 Toyota GR Supra 3.0, model years 2020 through 2026, all built on the B58 turbocharged inline-six.

How does the valve system work?

This exhaust retains the factory exhaust valve, delivering maximum flow and volume when the valve is open and a more subdued, resonant tone when it's closed and exhaust is redirected through the muffler.

Is the Dinan Supra cat-back exhaust hard to install?

No, the mounting hardware matches the factory cut points and hangers, so no cutting or welding is required. Shop installation runs about 2.7 hours.

What is the Dinan Supra cat-back exhaust made from?

It is built from 100% T304 stainless steel, TIG-welded with no hydroformed pipe, with dual black ceramic-coated tips finished in a double-walled, straight-cut design.

How much power does the Dinan Supra cat-back exhaust add?

Dinan rates this cat-back exhaust at 6 hp and 5 ft-lb of torque at 6,600 rpm over the factory system, along with a deep, rich tone.

Is the Dinan Supra cat-back exhaust legal for daily driving?

Yes. Dinan rates it Emissions Code 5, meaning it's legal for emissions-controlled, street, and racing use and does not affect vehicle emissions.

Description

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Description

Dinan Valved Cat-Back Exhaust with Black Tips for A90 / A91 Toyota GR Supra 3.0

Dinan Supra cat-back exhaust replaces everything from the factory valve back with a single, enlarged 83mm stainless pipe, engineered to work with the B58’s factory exhaust valve rather than around it. Open, it behaves like a straight-pipe system, delivering maximum flow and Dinan’s signature low rumble; closed, it settles into a deep, rich tone civil enough for daily driving. Every joint is TIG-welded from 100% T304 stainless steel with no hydroformed pipe, finished with dual black ceramic tips, and it’s 10 lbs lighter than the factory system it replaces.

Features

Retains the factory exhaust valve for a system that stays quiet on demand and opens up when it counts
100% T304 stainless steel construction, TIG-welded with no hydroformed pipe, brushed for a lasting finish
Enlarged single-pipe design increases flow versus the stock system without giving up low-end response
Dual black ceramic-coated tips, double-walled and straight-cut, with a laser-engraved Dinan logo on each
Integrated muffler tuned to limit drone while still delivering Dinan’s signature low rumble
Mounting hardware matches the factory cut points and hangers, no cutting or welding required

What’s Included

Complete cat-back exhaust system with dual black ceramic-coated tips
Mounting hardware, clamps, and hangers matching factory cut points
Installation instructions

Applications

Toyota GR Supra 3.0: A90, A91 | 2020-2026 | 3.0L Turbo I6 B58

Notes

Sold as a complete cat-back exhaust system with dual black ceramic-coated tips
Rated Emissions Code 5 by Dinan (legal for emissions-controlled and racing use; does not affect vehicle emissions)
Professional installation is recommended, with shop labor running about 2.7 hours

Frequently Asked Questions

What vehicles does the Dinan Supra cat-back exhaust fit? The Dinan Supra cat-back exhaust fits the A90 and A91 Toyota GR Supra 3.0, model years 2020 through 2026, all built on the B58 turbocharged inline-six.
How does the valve system work? This exhaust retains the factory exhaust valve, delivering maximum flow and volume when the valve is open and a more subdued, resonant tone when it’s closed and exhaust is redirected through the muffler.
Is the Dinan Supra cat-back exhaust hard to install? No, the mounting hardware matches the factory cut points and hangers, so no cutting or welding is required. Shop installation runs about 2.7 hours.
What is the Dinan Supra cat-back exhaust made from? It is built from 100% T304 stainless steel, TIG-welded with no hydroformed pipe, with dual black ceramic-coated tips finished in a double-walled, straight-cut design.
How much power does the Dinan Supra cat-back exhaust add? Dinan rates this cat-back exhaust at 6 hp and 5 ft-lb of torque at 6,600 rpm over the factory system, along with a deep, rich tone.
Is the Dinan Supra cat-back exhaust legal for daily driving? Yes. Dinan rates it Emissions Code 5, meaning it’s legal for emissions-controlled, street, and racing use and does not affect vehicle emissions.

About Dinan

Founded in 1979, Dinan is North America’s leading BMW tuner, developing, manufacturing, and marketing a full line of high-performance products for BMW, MINI, and Mercedes-Benz. Dinan works through a nationwide network of Authorized Dinan Performance Centers, including select BMW dealerships and independent BMW service and performance shops. The company’s warranty program, introduced in 1996 with BMW of North America’s cooperation, matches BMW’s new car warranty and covers Dinan enhancements and the vehicle itself for up to 4 years or 50,000 miles. That coverage lets BMW owners add real performance without risking their factory warranty. Automotive publications have tested Dinan-enhanced BMWs against some of the world’s most exotic sports cars for three decades, and the results consistently hold up. Despite that performance, Dinan BMWs keep the reliability and everyday civility BMW owners expect. The product line spans engine, driveline, and chassis components across the full BMW lineup, covering acceleration, cornering, and stopping power. Every Authorized Dinan Performance Center can help build anything from a single upgrade to a complete Dinan BMW.

Additional Information

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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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