Does the Super Manifold GT-SPEC for ZN8 GR86 come with a tune?

No. No engine management is included with part 33005-AT010, and the HKS Japan product page does not list a tuning requirement for the manifold. Owners should confirm the tuning plan for their ZN8 Toyota GR86 with BA or their tuner before installation.

Does this manifold fit the ZD8 Subaru BRZ?

No, not as HKS lists it. The HKS catalogue name mentions ZD8, but both HKS Japan and HKS USA list part 33005-AT010 for the ZN8 Toyota GR86 with the FA24 engine only. BA follows the HKS fitment, so BRZ owners should confirm with BA before ordering this manifold.

How much power does the GT-SPEC manifold add on a GR86?

HKS recorded a peak gain of 10.2kW, or 13.9PS, and 22.5Nm in in-house testing on a ZN8 GR86 that also ran the HKS Hi-Power SPEC-L II muffler. HKS does not publish a figure for the manifold on its own, and results depend on the rest of the car, so the numbers are a guide rather than a promise.

What does the HKS metal catalyzer in this manifold do?

The Super Manifold GT-SPEC for ZN8 GR86 carries a low-density HKS metal catalyzer that HKS says drastically lowers exhaust resistance. HKS optimized the blend of precious metals so the catalyzer still met the 2018 Japanese emissions rules, and a third-party organization certified the result. That certification covers Japan only.

Is the GT-SPEC manifold legal for road use in the United States?

No, HKS has not published a US certification or CARB Executive Order number for part 33005-AT010, and its Japanese emissions certification applies in Japan only. The manifold is intended for off-road or competition use where emissions laws apply, and the buyer must confirm road legality locally.

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Description

HKS Sport Cat Super Manifold GT-SPEC for ZN8 Toyota GR86

The HKS Super Manifold GT-SPEC for ZN8 Toyota GR86 is a 4-2-1 equal-length manifold for the FA24 with a low-density HKS metal catalyzer built in, which HKS says drastically lowers exhaust resistance compared to the factory system. Pipe diameters run 42.7mm, 50.8mm and 60mm, and HKS redesigned the cylinder head flange around the stepped section where the pipe is inserted. It makes the most sense on a GR86 that pairs it with a freer-flowing rear section, since HKS tested it alongside the Hi-Power SPEC-L II muffler. For an owner who wants more sound and nothing else, a rear section alone is the simpler place to start.

Features

4-2-1 equal-length layout, with the four-pipe section studied closely to keep runner lengths matched
Pipe diameters of 42.7mm, 50.8mm and 60mm
Low-density HKS metal catalyzer integrated into the manifold as a sport catalytic converter
Precious metal blend optimized by HKS to meet the 2018 Japanese emissions rules, with third-party certification
Redesigned cylinder head flange that accounts for the stepped section where the pipe is inserted

Applications

Toyota GR86: ZN8 | 2022-2025 | FA24

Notes

No engine management is included with the Super Manifold GT-SPEC for ZN8 GR86, and HKS does not state a tuning requirement on its product page, so confirm the tuning plan with BA before ordering
HKS Japan and HKS USA both list this part for the ZN8 Toyota GR86 only, even though the HKS catalogue name mentions ZD8, so ZD8 Subaru BRZ owners should confirm fitment with BA before ordering
The 10.2kW and 22.5Nm peak gains are HKS in-house figures from a ZN8 GR86 that also ran the HKS Hi-Power SPEC-L II muffler, part 32016-AF101, and results with other combinations will vary
This manifold is intended for off-road or competition use where emissions laws apply. The certifications HKS cites are Japanese, no CARB Executive Order number is published, and the buyer is responsible for checking local regulations and confirming road legality.

Frequently Asked Questions

Does the Super Manifold GT-SPEC for ZN8 GR86 come with a tune? No. No engine management is included with part 33005-AT010, and the HKS Japan product page does not list a tuning requirement for the manifold. Owners should confirm the tuning plan for their ZN8 Toyota GR86 with BA or their tuner before installation.
Does this manifold fit the ZD8 Subaru BRZ? No, not as HKS lists it. The HKS catalogue name mentions ZD8, but both HKS Japan and HKS USA list part 33005-AT010 for the ZN8 Toyota GR86 with the FA24 engine only. BA follows the HKS fitment, so BRZ owners should confirm with BA before ordering this manifold.
How much power does the GT-SPEC manifold add on a GR86? HKS recorded a peak gain of 10.2kW, or 13.9PS, and 22.5Nm in in-house testing on a ZN8 GR86 that also ran the HKS Hi-Power SPEC-L II muffler. HKS does not publish a figure for the manifold on its own, and results depend on the rest of the car, so the numbers are a guide rather than a promise.
What does the HKS metal catalyzer in this manifold do? The Super Manifold GT-SPEC for ZN8 GR86 carries a low-density HKS metal catalyzer that HKS says drastically lowers exhaust resistance. HKS optimized the blend of precious metals so the catalyzer still met the 2018 Japanese emissions rules, and a third-party organization certified the result. That certification covers Japan only.
Is the GT-SPEC manifold legal for road use in the United States? No, HKS has not published a US certification or CARB Executive Order number for part 33005-AT010, and its Japanese emissions certification applies in Japan only. The manifold is intended for off-road or competition use where emissions laws apply, and the buyer must confirm road legality locally.

About HKS

HKS is a Japanese performance engineering brand founded in 1973 and headquartered in Fujinomiya, Shizuoka, with a long-standing reputation for developing high-quality aftermarket parts and motorsport-proven technology for enthusiast and professional applications. Known for innovations in turbocharging and engine performance, HKS produces a broad range of components including exhaust systems, turbo kits, electronics / engine management, and suspension solutions, with product development heavily influenced by decades of involvement in racing disciplines such as circuit time attack, drag, and drifting.

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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HKS Sport Cat Super Manifold GT-SPEC for ZN8 Toyota GR86 [33005-AT010]

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HKS Sport Cat Super Manifold GT-SPEC for ZN8 Toyota GR86

Features

Applications

Notes

Frequently Asked Questions

About HKS

Reviews