Code No. 31021-BH004
Overwhelming Low Exhaust Pressure - 50％ of Original Pressure
φ60 large diameter pipe and full straight structure reduce the exhaust pressure to 50% of the stock.
This significant exhaust pressure reduction enables the turbine to run smoothly from low RPM range, which results in the engine output increase in an entire speed range.
Also, this pressure reduction effect is enhanced as the tuning level becomes more advanced; the engine output can be increased to450ps without engine power-loss.
| Cert. No. |
|---|
| Vehicle | CIVIC |
|---|---|
| Model | FC1 |
| Engine | L15B |
| Model Year | 16/** - |
| Shape of muffler | Ti Tip
(LEGAMAX Premium) |
|
|---|---|---|
| Main material | S304 | |
| Diameter of tip | 75 | |
| Diameter of center pipe | 60 (50) (*1) | |
| Close noise level | Stock | 72 |
| HKS | 79 | |
| About road clearance(*2) | Clearance | 120 |
| Portion of the kit | ||
| Remarks | For a vehicle equipped with HKS suspension | |
| Product Weight | ||
Remarks
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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