Does the SPEC-L II Cup Exhaust fit an automatic GR86?

No. HKS lists the SPEC-L II Cup Exhaust, part 32016-AT130, as not compatible with automatic transmission models, so it is intended for the manual ZN8 Toyota GR86 only. Owners of automatic cars should contact Bulletproof Automotive before ordering, to go through the HKS options listed for their car.

Is the SPEC-L II for Cup approved for one-make racing?

Yes, for the 2025 season according to HKS. HKS lists part 32016-AT130 as a CUP designated part certified in 2025, with T.R.A. approval number T.R.A.240319-174. Series rules change between seasons and between countries, so racers should confirm with their own organizer that the part is eligible before an event.

How much weight does the Cup exhaust save?

HKS lists the system at 17.2lb, or 7.8kg, against 35.7lb, or 16.2kg, for the factory exhaust, a saving of 18.5lb. The biggest change is at the rear overhang, where the stock main silencer weighs 23.1lb on its own and the HKS rear section weighs 6.0lb, which HKS says lowers yaw inertia in corners.

How loud is the Cup exhaust compared to stock?

HKS measured 89 dB against 82 dB for the factory system, and 66 dB against 57 dB at idle. HKS does not publish a highway cruise figure. A rise of 9 dB at idle is a large change, so buyers who also drive the car on the street should expect a clearly louder cabin and startup than stock.

Will the Cup exhaust reduce ground clearance?

No, according to HKS. The lowest point of the kit is the mid pipe at 140mm, 7mm higher than the factory exhaust, and HKS notes that the factory front pipe, which stays on the car, remains the lowest point at 125mm. HKS still warns that the thin-wall pipes can be damaged by hard contact with the road.

Does the Cup exhaust add horsepower to the FA24?

A little, according to HKS. On a Japanese-market GR86 with every other part stock, HKS recorded 3.0 kW, about 4 hp, more at peak power and 2.0 Nm more at peak torque. The SPEC-L II Cup Exhaust is best treated as a weight and response upgrade rather than a power part.

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Description

HKS Hi-Power SPEC-L II Cup Exhaust for ZN8 Toyota GR86

Name: HKS SPEC-L II Cup Exhaust | Bulletproof Automotive
Brand: HKS Performance Parts
SKU: 32016-AT130
Price: 1650.00 USD
Availability: InStock

The HKS Hi-Power SPEC-L II Cup Exhaust is the lightest exhaust HKS makes for the FA24 ZN8 Toyota GR86, built for GR86 Cup one-make racing and listed by HKS as a CUP designated part for the 2025 season. At 17.2lb (7.8kg) against 35.7lb (16.2kg) for the factory system, it removes 18.5lb (8.4kg), and much of that comes off the rear overhang, where the stock main silencer sits. Street drivers who want a dual-exit rear are better served by the HKS Hi-Power SPEC-L

Development and Testing

HKS tested the SPEC-L II Cup Exhaust on a chassis dyno, timing the GR86 from 3,500 to 7,000 rpm in 3rd and 4th gear at 10, 15 and 20 kW of load. The Cup system was quicker than the factory exhaust in every run, with the largest gain in 4th gear at 20 kW, where the time fell from 12.62 to 11.88 seconds. HKS also recorded gains of 3.0 kW (about 4 hp) at peak power and 2.0 Nm (about 1.5 lb-ft) at peak torque, and more torque from 4,500 to 6,500 rpm.

Features

Single right-side exit through a 94mm tail with titanium inner and outer pipes
Thin-wall stainless construction, with a 0.5mm main silencer, 0.6mm mid silencer and 0.8mm main pipe, and 1.2mm material where HKS needs extra strength
Rear overhang weight of 6.0lb (2.7kg), against 23.1lb (10.5kg) for the factory main silencer, which HKS says lowers yaw inertia in corners
Mid pipe routed tight to the rear subframe, with added brackets to stop the pipe moving or swaying under hard driving

Specifications

Main Pipe Diameter: 60mm, stepping to 54mm and back to 60mm
Tail: 94mm titanium, right side only
Main Material: SUS304 stainless steel
Weight: 17.2lb (7.8kg), factory system 35.7lb (16.2kg)
Sound Level, Factory System: 82 dB (57 dB at idle)
Sound Level, HKS: 89 dB (66 dB at idle)
Minimum Road Clearance: 140mm at the mid pipe
JASMA Certification: JQR30233151
T.R.A. Approval Number: T.R.A.240319-174

Applications

Toyota GR86: ZN8 | 2022-present | FA24

Notes

HKS lists this part as not compatible with automatic transmission models, so it is for manual transmission GR86 cars only
The SPEC-L II Cup Exhaust exits on the right side only and does not include a left-side outlet
HKS uses thin materials throughout to save weight and warns that the system can deform or be damaged if it strikes the road surface or bumps
HKS lists part 32016-AT130 for the ZN8 Toyota GR86 only, and ZD8 Subaru BRZ owners should confirm fitment with Bulletproof Automotive before ordering
CUP designated status and T.R.A. approval refer to the HKS listing for the 2025 season, and racers should confirm current eligibility with their series organizer before an event

Frequently Asked Questions

Does the SPEC-L II Cup Exhaust fit an automatic GR86? No. HKS lists the SPEC-L II Cup Exhaust, part 32016-AT130, as not compatible with automatic transmission models, so it is intended for the manual ZN8 Toyota GR86 only. Owners of automatic cars should contact Bulletproof Automotive before ordering, to go through the HKS options listed for their car.
Is the SPEC-L II for Cup approved for one-make racing? Yes, for the 2025 season according to HKS. HKS lists part 32016-AT130 as a CUP designated part certified in 2025, with T.R.A. approval number T.R.A.240319-174. Series rules change between seasons and between countries, so racers should confirm with their own organizer that the part is eligible before an event.
How much weight does the Cup exhaust save? HKS lists the system at 17.2lb, or 7.8kg, against 35.7lb, or 16.2kg, for the factory exhaust, a saving of 18.5lb. The biggest change is at the rear overhang, where the stock main silencer weighs 23.1lb on its own and the HKS rear section weighs 6.0lb, which HKS says lowers yaw inertia in corners.
How loud is the Cup exhaust compared to stock? HKS measured 89 dB against 82 dB for the factory system, and 66 dB against 57 dB at idle. HKS does not publish a highway cruise figure. A rise of 9 dB at idle is a large change, so buyers who also drive the car on the street should expect a clearly louder cabin and startup than stock.
Will the Cup exhaust reduce ground clearance? No, according to HKS. The lowest point of the kit is the mid pipe at 140mm, 7mm higher than the factory exhaust, and HKS notes that the factory front pipe, which stays on the car, remains the lowest point at 125mm. HKS still warns that the thin-wall pipes can be damaged by hard contact with the road.
Does the Cup exhaust add horsepower to the FA24? A little, according to HKS. On a Japanese-market GR86 with every other part stock, HKS recorded 3.0 kW, about 4 hp, more at peak power and 2.0 Nm more at peak torque. The SPEC-L II Cup Exhaust is best treated as a weight and response upgrade rather than a power part.

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

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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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HKS Hi-Power SPEC-L II Cup Exhaust for ZN8 Toyota GR86 [32016-AT130]

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HKS Hi-Power SPEC-L II Cup Exhaust for ZN8 Toyota GR86

Development and Testing

Features

Specifications

Applications

Notes

Frequently Asked Questions

About HKS

Reviews