Description
FK7 HKS Legamax Premium Exhaust – 31021-AH004
Code No. 31021-AH004
Full Straight Structure & Low Exhaust Pressure！
Full straight structure with no restriction achieves a 50% reduction in the exhaust pressure compared to the stock exhaust system.
Unpleasant Exhaust Resonance is Eliminated
Without uncomfortable exhaust resonance, the sporty exhaust sound and comfortable interior space are created.
| Cert. No. | JQR30183047 L15Ct |
|---|
| Vehicle | CIVIC |
|---|---|
| Model | FK7 |
| Engine | L15C |
| Model Year | 17/09 – |
| Shape of muffler | Ti (Dual) (LEGAMAX Premium) | |
|---|---|---|
| Main material | S304 | |
| Diameter of tip | 97 | |
| Diameter of center pipe | 60 x 2 (*1) | |
| Close noise level | Stock | 84 |
| HKS | 91 | |
| About road clearance(*2) | Clearance | 140mm |
| Portion of the kit | Mid Pipe Silencer | |
| Remarks | ||
| Product Weight | ||
Remarks
Only for FK7 (Hatchback). Compatible with DBA-FK7 (2017-2019) with MUGEN rear under spoiler.
About HKS muffler
*1: About center pipe
Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer and tip.) It is the condition with stock suspension.
*2: Minimum road clearance between HKS muffler (Any parts included in the kit) and road surface. Therefore, it may be different from actual road clearance of the vehicle.
The data is basically the condition with stock suspension. However, please understand that some items have data with low down spring or ride height adjustable suspension kit.
Caution: Hook, bracket, stay may be changed without prior notice.
★ Exhaust noise level at idle.
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HKS BUSINESS
HKS has been conducting various businesses. Design, development, and manufacturer of automobile parts including original exhaust systems and suspension, turbocharger, electronic parts, and related parts are mainstream.
Development of race engine and ultralight plane engine are also highly regarded. Furthermore, by utilizing the technology accumulated through development of the gasoline engine parts, modification of a diesel engine to convert to a natural gas engine and development of the Bi-fuel system development have carried out. HKS continues to challenge new business from now on.
