Does the Boost Logic Teardrop Exhaust for A90 require cutting the diffuser?

Yes. Because the 4 inch teardrop muffler is large, Boost Logic states that some cutting of the rear diffuser is required for optimal fit of the Teardrop Exhaust for A90 Supra. The system also leaves the opening on the right side of the factory diffuser empty, and Boost Logic sells a separate cover for that hole.

Will leaving the valve motor unplugged cause a check engine light?

No. The system does not use the OEM valve motor, and Boost Logic states that leaving the factory valve motor unplugged does not trigger a check engine light on the GR Supra. No tuning or coding is required to suppress a warning, so that alone is no reason to book time with a tuner.

Why does the exhaust split into two pipes?

The 1-2-1 layout lets the system clear the under-chassis brace without giving up pipe size. It starts as a single 4 inch pipe, splits into dual 3 inch pipes to accommodate the brace, then merges back into a single 4 inch pipe that feeds the teardrop muffler, keeping exhaust flow high through the whole run.

Do I need the Boost Logic 4 inch downpipe?

It is optional. Boost Logic offers a 4 inch downpipe in raw or coated form that mates up to this single exit exhaust for maximum exhaust flow, and Bulletproof Automotive can add it to the order. Boost Logic does not state that the exhaust requires it, so confirm what is fitted to the car before ordering.

What is the difference between the tip finishes?

Raw Brushed is the base finish and Polished Blue adds $100. Polished Blue gives the teardrop muffler outlet the heat-tinted blue color shown in the Boost Logic photos, while Raw Brushed keeps a plain brushed titanium look. Boost Logic lists no other difference between the two, so the choice is about appearance.

How much does the system weigh?

Boost Logic states that the entire system weighs under 20 lb, thanks to titanium construction in the 1-2-1 layout and the single teardrop muffler. The shipping box is considerably larger and heavier because of packaging, so expect the freight weight on a quote to be well above the weight of the exhaust itself.

Description

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Description

Boost Logic Titanium Single 4-Inch Teardrop Exhaust for A90 / A91 Toyota GR Supra

Boost Logic’s Teardrop Exhaust for A90 / A91 Toyota GR Supra is a single-exit titanium system in a 1-2-1 layout, built to give the B58 a JDM-style sound that echoes the 2JZ Supras. A single 4-inch pipe splits into dual 3-inch pipes to accommodate the under-chassis brace, then merges back into one 4-inch pipe that feeds a 4-inch teardrop muffler, and Boost Logic puts the whole system at under 20 lb. It is a bold choice: the muffler is large enough that some cutting of the rear diffuser is required, so it suits owners who want the single-exit look and accept a bodywork modification to get it.

Design and Performance

The 1-2-1 layout keeps the pipe large where the chassis allows it: the split into dual 3-inch pipes lets the system clear the brace before it returns to a single 4-inch run into the muffler. The system does not use the OEM valve motor, and Boost Logic notes that leaving the factory valve motor unplugged does not trigger a check engine light on this platform, so no tuning or coding is needed to suppress one.

Features

1-2-1 layout: 4-inch pipe, dual 3-inch section, then a single 4-inch run
Bespoke 4-inch teardrop muffler with a single exit
Complete system weight under 20 lb
Titanium construction tuned for a JDM-inspired tone
Raw Brushed or Polished Blue tip finish
No valve motor used, and no check engine light with it unplugged

Applications

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

Notes

Some cutting of the rear diffuser is required for optimal fit because of the size of the teardrop muffler
Choose the Raw Brushed or Polished Blue tip finish at checkout; Polished Blue adds $100
The Teardrop Exhaust for A90 does not use the OEM valve motor; leaving it unplugged does not set a check engine light, so no tuning or coding is required
Boost Logic offers a 4-inch downpipe, raw or coated, designed to mate with this single exit exhaust; it is an optional add-on available through Bulletproof Automotive
An exhaust hole cover for the now-empty opening on the right side of the factory diffuser is available from Boost Logic for $99 through Bulletproof Automotive
For a dual-exit titanium system, see the Boost Logic Titanium Exhaust System for A90 / A91 Toyota GR Supra (BL 03080809)
The Boost Logic 6-Port Turbo Kit for A90 / A91 Toyota GR Supra offers a full 4-inch downpipe option designed to meet this exhaust

Frequently Asked Questions

Does the Boost Logic Teardrop Exhaust for A90 require cutting the diffuser? Yes. Because the 4 inch teardrop muffler is large, Boost Logic states that some cutting of the rear diffuser is required for optimal fit of the Teardrop Exhaust for A90 Supra. The system also leaves the opening on the right side of the factory diffuser empty, and Boost Logic sells a separate cover for that hole.
Will leaving the valve motor unplugged cause a check engine light? No. The system does not use the OEM valve motor, and Boost Logic states that leaving the factory valve motor unplugged does not trigger a check engine light on the GR Supra. No tuning or coding is required to suppress a warning, so that alone is no reason to book time with a tuner.
Why does the exhaust split into two pipes? The 1-2-1 layout lets the system clear the under-chassis brace without giving up pipe size. It starts as a single 4 inch pipe, splits into dual 3 inch pipes to accommodate the brace, then merges back into a single 4 inch pipe that feeds the teardrop muffler, keeping exhaust flow high through the whole run.
Do I need the Boost Logic 4 inch downpipe? It is optional. Boost Logic offers a 4 inch downpipe in raw or coated form that mates up to this single exit exhaust for maximum exhaust flow, and Bulletproof Automotive can add it to the order. Boost Logic does not state that the exhaust requires it, so confirm what is fitted to the car before ordering.
What is the difference between the tip finishes? Raw Brushed is the base finish and Polished Blue adds $100. Polished Blue gives the teardrop muffler outlet the heat-tinted blue color shown in the Boost Logic photos, while Raw Brushed keeps a plain brushed titanium look. Boost Logic lists no other difference between the two, so the choice is about appearance.
How much does the system weigh? Boost Logic states that the entire system weighs under 20 lb, thanks to titanium construction in the 1-2-1 layout and the single teardrop muffler. The shipping box is considerably larger and heavier because of packaging, so expect the freight weight on a quote to be well above the weight of the exhaust itself.

About Boost Logic

Boost Logic was founded in Austin, Texas in 2003 and made its name with Toyota Supra turbo kits, setting street car records at 6speed record days and the Texas Mile that stood long after the company stopped racing Supras competitively. It designs turbo systems, titanium exhausts, intercoolers and engine components for the Toyota Supra, Porsche 911 Turbo, Nissan GT-R, Ferrari and Lamborghini, and its R35 GT-R builds have trapped over 180 mph in the quarter mile and over 200 mph in the half mile.

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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