Does the SPEC-L II Exhaust for FK7 fit the Civic EX or LX hatchback?

No. HKS lists the SPEC-L II Exhaust for FK7, part 31019-AH108, for the Civic hatchback Sport trim only and states that it is not compatible with the EX and LX. Owners should confirm their trim before ordering, because HKS built this system around the center-exit Sport rear bumper.

Will the SPEC-L II fit a 2017 to 2019 Civic hatchback?

Yes. HKS redesigned the SPEC-L II to match the revised rear bumper of the 2020 Civic hatchback and states that part 31019-AH108 installs on either bumper shape, so 2017 to 2019 Sport hatchbacks are covered as well. It replaces the earlier 31019-AH107, which HKS has discontinued.

How loud is the SPEC-L II on a Civic Sport hatchback?

HKS measured 93 dB on its close test against 83 dB for the factory system, and 64 dB against 55 dB at idle. HKS says it suppresses drone at normal engine speeds but publishes no cruise figure, and a 10 dB rise is a large change, so expect a clearly more present note than stock.

Does the SPEC-L II fit with a Mugen rear under spoiler?

Yes. HKS lists part 31019-AH108 as compatible with the Mugen rear under spoiler on the FK7. Owners with another aftermarket diffuser should check the tail position before final installation, since HKS lists 94mm tails with a tail length of 118mm.

How much weight does the SPEC-L II save?

HKS lists the system at 27.1lb, or 12.3kg, against 38.6lb, or 17.5kg, for the factory exhaust, a saving of 11.5lb or about 30%. HKS gets there with thin-wall SUS304 stainless pipe and silencers, which also resist corrosion well on a hatchback that sees winter roads.

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Description

HKS Hi-Power SPEC-L II Exhaust for FK7 Honda Civic Sport Hatchback

HKS’s Hi-Power SPEC-L II Exhaust for FK7 Honda Civic Sport Hatchback gives the turbocharged L15B7 hatch a lighter, freer-breathing system, redrawn by HKS around the revised 2020 rear bumper while still fitting 2017 to 2019 cars. Thin-wall SUS304 stainless pipe and silencers bring it to 27.1lb (12.3kg) against 38.6lb (17.5kg) for the factory exhaust. At 93 dB on the HKS close test it is the vocal choice, right for the Sport owner who wants the turbo four heard; one who puts a quiet cabin first can compare the HKS LEGAMAX Premium Exhaust, which HKS built around removing exhaust resonance.

Design and Performance

HKS reworked the SPEC-L II so the tails sit correctly in the 2020 Civic hatchback bumper and confirmed that the new part installs on the earlier bumper shape too. The straight-through silencers cut back-pressure by about 40% compared to the factory system, according to HKS, and the tuning gives a bass-led note under acceleration while keeping drone down at normal engine speeds.

Features

Thin-wall SUS304 stainless pipe and silencers, about 30% lighter than the factory exhaust
Straight-through silencer structure for lower back-pressure
Twin tails in the center-exit position of the Sport bumper
Compatible with the Mugen rear under spoiler

Specifications

Main Pipe Diameter: 60.5mm splitting to twin 50.8mm
Tails: 94mm diameter, 118mm length
Main Material: SUS304 stainless steel
Weight: 27.1lb (12.3kg), factory system 38.6lb (17.5kg)
Sound Level, Factory System: 83 dB (55 dB at idle)
Sound Level, HKS: 93 dB (64 dB at idle)
Minimum Road Clearance: 140mm at the mid pipe
JASMA Certification: JQR40213015

Applications

Honda Civic Hatchback Sport: FK7 | 2017-2021 | L15B7

Notes

The SPEC-L II Exhaust for FK7 fits the Civic hatchback Sport trim only and is not compatible with the EX or LX
HKS names only the Sport trim, so Sport Touring owners should confirm fitment with Bulletproof Automotive before ordering
Part 31019-AH108 replaces the earlier 31019-AH107, which HKS has discontinued
The system ships in two boxes, so allow for both to arrive before booking installation
This exhaust is intended for off-road or competition use where emissions laws apply, and the buyer is responsible for checking local emissions and noise regulations before installation

Frequently Asked Questions

Does the SPEC-L II Exhaust for FK7 fit the Civic EX or LX hatchback? No. HKS lists the SPEC-L II Exhaust for FK7, part 31019-AH108, for the Civic hatchback Sport trim only and states that it is not compatible with the EX and LX. Owners should confirm their trim before ordering, because HKS built this system around the center-exit Sport rear bumper.
Will the SPEC-L II fit a 2017 to 2019 Civic hatchback? Yes. HKS redesigned the SPEC-L II to match the revised rear bumper of the 2020 Civic hatchback and states that part 31019-AH108 installs on either bumper shape, so 2017 to 2019 Sport hatchbacks are covered as well. It replaces the earlier 31019-AH107, which HKS has discontinued.
How loud is the SPEC-L II on a Civic Sport hatchback? HKS measured 93 dB on its close test against 83 dB for the factory system, and 64 dB against 55 dB at idle. HKS says it suppresses drone at normal engine speeds but publishes no cruise figure, and a 10 dB rise is a large change, so expect a clearly more present note than stock.
Does the SPEC-L II fit with a Mugen rear under spoiler? Yes. HKS lists part 31019-AH108 as compatible with the Mugen rear under spoiler on the FK7. Owners with another aftermarket diffuser should check the tail position before final installation, since HKS lists 94mm tails with a tail length of 118mm.
How much weight does the SPEC-L II save? HKS lists the system at 27.1lb, or 12.3kg, against 38.6lb, or 17.5kg, for the factory exhaust, a saving of 11.5lb or about 30%. HKS gets there with thin-wall SUS304 stainless pipe and silencers, which also resist corrosion well on a hatchback that sees winter roads.

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 Hi-Power SPEC-L II Exhaust for FK7 Honda Civic Sport Hatchback [31019-AH108]

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HKS Hi-Power SPEC-L II Exhaust for FK7 Honda Civic Sport Hatchback

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About HKS

Reviews