SKU: 32003-BH001 | UPC: 4957266932131
HKS HI-POWER Muffler 2002-2005 Honda Civic Si USA
The HKS HI-POWER Muffler is a cat-back exhaust component crafted for 2002-2005 Honda Civic Si USA models (EP3 chassis). This stainless steel muffler replaces the factory unit to enhance exhaust flow improve throttle response and add a deep aggressive sound. Lighter design contributes to better vehicle balance and performance on street or track.
Key Features
- Stainless Steel Build: SUS304 material resists corrosion handles high heat and ensures long-term durability
- Weight Savings: 8.5 kg unit versus 12 kg stock reduces rear weight for sharper handling and quicker acceleration
- Mandrel Bent Piping: 60.5 mm diameter pipes with smooth bends minimize restrictions for efficient exhaust gas evacuation
- Precision Tip Design: 115 mm rolled-edge stainless steel tip provides clean styling and optimal sound dispersion
- Power Gains: Improved flow yields 5-8 hp and torque increases across RPM range with refined exhaust note
Product Notes
- Bolt-on replacement uses factory mounting points no fabrication required
- Produces deep tone at cruising volumes rises to aggressive roar under load
- Oversized package ships via ground freight for protection
Installation Notes
- Professional installation recommended.
- Basic hand tools and jack stands suffice for 1-2 hour install
- Direct fit with stock catalytic converter and hangers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Honda | Civic | Si Coupe |
Why Choose HKS?
- Decades of motorsports development refines every component
- High-grade materials withstand daily driving and track abuse
- Japanese engineering focuses on flow dynamics and sound tuning
Frequently Asked Questions
-
Q: Will this fit 2006 and newer Civic models?
A: No this muffler is engineered exclusively for 2002-2005 Honda Civic Si EP3 chassis USA spec -
Q: What material is used in construction?
A: Full SUS304 stainless steel piping silencer and tip for rust resistance and heat tolerance -
Q: What is the warranty coverage?
A: HKS provides manufacturer defect coverage contact seller for details on return policy
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 50 x 30 x 30 cm dimensions
- Weight: 8.5 kg / 19 lbs
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HKS
HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...
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