The HKS Silent Hi-Power is a 75mm SUS304 stainless steel cat-back exhaust for the Mitsubishi Lancer Evo IV (CN9A), Evo V, and Evo VI (CP9A) with the 4G63T engine; the TYPE-S internal silent chamber cancels sound waves to deliver a street-legal 93 dB tone with a single 120mm SUS304 tip.
Specifications
| Type | Cat-back exhaust system (Silent Hi-Power) |
| Material | SUS304 stainless steel |
| Pipe Diameter | 75mm |
| Tips | Single 120mm — SUS304 stainless steel |
| Sound Level | 93 dB (close, HKS); 91 dB stock |
| Road Clearance | 110mm (center pipe, stock suspension) |
| Part Number | 31019-AM006 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
Recently viewed
You may also like
