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SKU: 501-122-112
Weapon R Race Sheetmetal Intake Manifold for Honda / Acura K20 Engines
Unlock serious horsepower gains with the Weapon R Race Sheetmetal Intake Manifold for K20 engines. This high-performance manifold is engineered to dramatically improve airflow, delivering **15–30 horsepower** on naturally aspirated applications and an impressive **45–90 horsepower** on forced induction setups.
Featuring CNC-machined velocity stacks, precision TIG-welded construction, and high-grade 6061 aluminum, this manifold provides quicker turbo spool, massive top-end power, and superior throttle response for street, track, and drag applications.
Key Features
- High-Flow Design – Delivers up to 90 HP gains on turbocharged K20 engines and 15–30 HP on naturally aspirated setups
- CNC Machined Velocity Stacks – Optimizes airflow and minimizes turbulence for maximum efficiency
- 6061 Aluminum Construction – Lightweight, strong, and built for high-performance and boosted applications
- TIG Welded for Strength – Fully welded to prevent leaks and cracks under extreme conditions
- Quick Turbo Spool – Significantly reduces turbo lag and improves throttle response
- Direct Fitment – Bolt-on design with no major modifications required (adapters needed on some models)
Specifications
| Detail | Value |
|---|---|
| Brand | Weapon R |
| Type | Race Sheetmetal Intake Manifold |
| Engine Compatibility | Honda / Acura K20 (2.0L) |
| Material | 6061 Aluminum |
| Finish | Polished |
| HP Gains | 15–30 HP (NA) / 45–90 HP (Forced Induction) |
| Warranty | 1 Million Mile Limited Warranty |
Whats Included
- Weapon R Race Sheetmetal Intake Manifold
- CNC Machined Velocity Stacks
- Mounting Hardware
Product Notes
- Some applications require Throttle Body and Coolant Passage Adapters (sold separately)
- Professional installation is strongly recommended
- Designed for high-performance street, track, and drag racing use
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2013–2015 | Acura | ILX Base | Requires adapters |
| 2002–2006 | Acura | RSX (Base & Type-S) | Direct fit |
| 2015 | Acura | TLX Base | Requires adapters |
| 2004–2014 | Acura | TSX (Base & Special Edition) | Requires adapters |
| 2003–2015 | Honda | Accord (EX, LX, EX-L, Sport, etc.) | Requires adapters on most models |
| 2002–2015 | Honda | Civic Si | Direct fit on most years |
| 2002–2012 | Honda | CR-V (EX, LX, EX-L) | Requires adapters |
| 2003–2011 | Honda | Element (DX, EX, LX, SC) | Requires adapters |
| 2012–2015 | Honda | Crosstour (EX, EX-L) | Requires adapters |
Why Choose Weapon R?
- Industry leader in high-performance intake manifolds for Honda & Acura K-series engines
- Proven power gains on both naturally aspirated and turbocharged applications
- Premium 6061 aluminum construction with precision TIG welding
- Backed by a 1 Million Mile Limited Warranty
Frequently Asked Questions
- Q: How much power does this manifold add?
- A: Expect 15–30 HP on naturally aspirated K20 engines and 45–90 HP on forced induction setups.
- Q: Do I need adapters?
- A: Some applications require Throttle Body and Coolant Passage Adapters (sold separately). Please check your specific vehicle.
- Q: Is this manifold street legal?
- A: This is a race-oriented manifold and is not CARB approved. It is not legal for use in California on pollution-controlled vehicles.
- Q: Can this be used on a turbocharged K20?
- A: Yes. This manifold is especially effective on turbocharged applications, significantly improving turbo spool and top-end power.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure Weapon R retail packaging
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