SKU: 31019-AM006 | UPC: 4957266914823
HKS Silent Hi-Power Exhaust – JDM Evo IV-VI
The HKS Silent Hi-Power exhaust system for JDM Mitsubishi Lancer Evolution IV-VI. Race-inspired offset muffler and straight-through piping design in SUS304 stainless steel delivers refined, quiet performance, improved exhaust flow, better mid-range boost response, and high-RPM power gains the ultimate exhaust upgrade for any Evo IV-VI build seeking sophisticated sound, durability, and performance without excessive noise.
Key Features
- Silent Hi-Power Design – Inner silencer for quiet operation with race-inspired flow characteristics
- SUS304 Stainless Steel – Premium corrosion-resistant material for long-lasting durability
- Straight-Through Piping – Minimizes bends for maximum exhaust velocity and power
- Offset Muffler – Endurance/GT racing-inspired layout for improved mid-range boost and high-RPM performance
- HP (TYPE-S) Tip – 120mm polished stainless tip for aggressive, clean styling
| Spec | Detail |
|---|---|
| Part Number | 31019-AM006 |
| Brand | HKS |
| Type | Silent Hi-Power Exhaust System |
| Material | SUS304 Stainless Steel |
| Piping Diameter | 75 mm |
| Tip Size / Style | 120 mm / HP (TYPE-S) |
| Sound Level (Idle) | 82 dB |
| Sound Level (Close) | 93 dB |
| Compatibility | JDM Mitsubishi Lancer Evolution IV-VI (CN9A/CP9A) |
| Country of Origin | Japan |
| Warranty | HKS Limited Warranty |
Whats Included
- Complete Silent Hi-Power exhaust system
- HP (TYPE-S) 120mm tip
- All necessary gaskets, clamps, and hardware
- Installation instructions
Product Notes
- Designed specifically for JDM Evo IV-VI (1996-2001) with RB26DETT-inspired flow principles
- Silent version provides refined sound suitable for street and spirited driving
- Improves mid-range boost response and high-RPM power with less restriction
Installation Notes
- Bolt-on cat-back replacement
- Estimated time: 2–4 hours
- Professional installation recommended for proper alignment and leak-free fitment
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| 1996-2001 | Mitsubishi | Lancer Evolution | IV-VI (JDM CN9A/CP9A) | Silent Hi-Power exhaust |
Why Choose HKS Silent Hi-Power Exhaust?
- #1 choice for refined, race-inspired exhaust on JDM Evo platforms
- Built & tested in Japan
- Chosen by Evo owners for quiet performance, durability, and power gains
Frequently Asked Questions
- Q: Does this fit my Evo VI TME?
A: Yes, direct fit for JDM Evo IV-VI models (CN9A/CP9A). - Q: How loud is it?
A: Silent version: 82 dB idle, 93 dB close refined and street-friendly. - Q: Will this add power?
A: Ye, improved flow enhances mid-range boost and high-RPM performance.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official HKS retail box
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