SKU: 301-173-101
Weapon R 2008-2012 Honda Accord V6 3.5L Secret Weapon Intake
The Weapon R Secret Weapon Intake system replaces the restrictive factory air intake on 2008-2012 Honda Accord V6 3.5L models including EX and EX-L trims. This complete assembly features a mandrel-bent aluminum tube heat shield and high-flow cone filter to draw in cooler denser air for improved throttle response horsepower and torque. Drivers notice sharper acceleration and stronger mid-range pull right after installation with no ECU tune required.
Key Features
- Mandrel-Bent Polished Aluminum Tube: Creates a smooth uninterrupted airflow path that reduces turbulence and supports dyno-proven gains of up to 12 HP and 13 lb-ft torque at the wheels.
- Dragon Heat Shield: Isolates the intake filter from underhood heat sources to maintain lower intake air temperatures for consistent power delivery across the RPM range.
- High-Flow Cone Air Filter: Reusable dry synthetic media filter flows 99.23% free air capturing dirt while allowing maximum volume for enhanced engine breathing.
- Reinforced Silicone Couplers: Flexible high-temp silicone connectors ensure a leak-free seal and accommodate engine movement for long-term reliability.
- Stainless Steel Band Clamps: Corrosion-resistant clamps provide secure mounting that withstands boost pressure and vibration without loosening.
Product Notes
- Requires removal of stock air box and resonator during installation.
- Clean and re-oil filter every 30,000-50,000 miles using provided K&N style service kit.
- Packaged in protective oversize box to prevent damage in transit.
Installation Notes
- Professional installation recommended.
- Bolt-on design completes in 60-90 minutes using basic hand tools no cutting or permanent modifications needed.
- Includes all necessary hardware brackets and couplers for direct OEM replacement fit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2012 | Honda | Accord | EX |
| 2008-2012 | Honda | Accord | EX-L |
Why Choose Weapon R?
- Established leader in intake technology with motorsports heritage since 1997.
- Uses premium 6061-T6 aluminum and aerospace-grade components for durability.
- CAD-designed for exact fitment and flow-optimized contours tested on flow bench and dyno.
Frequently Asked Questions
- Q: Will this intake fit my 2012 Honda Accord EX-L V6 3.5L?
A: Yes it directly replaces the OEM intake on all 2008-2012 Accord V6 EX and EX-L models with no modifications. - Q: What materials are used in construction?
A: Polished 6061 aluminum tube black powdercoated heat shield high-temp silicone couplers and stainless steel hardware throughout. - Q: What is the warranty coverage?
A: Limited lifetime warranty on the intake tube 1-year warranty on the filter and components covers manufacturing defects.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Single oversize box 28 x 14 x 12 inches
- Weight: 11.25 lbs shipping weight








