Polished Weapon-R Secret Weapon Intake installed in 2005 Acura TL engine bay
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Weapon R 04-07 Acura TL 3.2L V6 Secret Weapon Intake

Weapon R
WPN301-146-101
Cold Air Intakes
10 Units In Stock - Ships Next Business Day
$ 272.61
$ 272.61

SKU: 301-146-101

Weapon-R 2004–2007 Acura TL 3.2L V6 Secret Weapon Intake

The Weapon-R Secret Weapon Intake System is engineered for the 2004–2007 Acura TL 3.2L V6 to maximize airflow, boost horsepower, and enhance throttle response using advanced physics-based design. Crafted from premium 6061 aluminum with CNC mandrel-bent tubing and a polished finish, it leverages the Coanda effect and Bernoulli's principle to create dual-velocity air profiles, delivering up to three times more air than stock intakes. Paired with the high-performance SW1 air filter featuring a tuned velocity stack and reusable high-density foam, this system ensures superior filtration and dyno-proven gains while maintaining CARB compliance.

Key Features

  • CNC Mandrel-Bent Aluminum Tubing: Precision-formed for optimal airflow and durable construction.
  • Dual-Velocity Airflow Design: Utilizes Coanda and Bernoulli principles for 3x increased air volume and speed.
  • SW1 High-Flow Filter: Reusable open-pore foam with velocity stack for maximum filtration efficiency.
  • Polished Show Finish: Enhances engine bay aesthetics with corrosion-resistant protection.
  • Dyno-Tested Performance: Increases horsepower and acceleration with improved engine sound.
  • CARB Exempt (EO# D-489-3): Legal for use in all 50 states, including California.

Product Notes

  • 1 Million Mile Limited Warranty included for peace of mind.
  • Outperforms cold air and short ram intakes in independent tests by Tuner Performance Reports.
  • Compatible with stock throttle body; no ECU tuning required.
  • Filter Maintenance: Clean with mild soap and water, replace foam every 50,000 miles.

Installation Notes

  • Direct bolt-on installation using factory mounting points typically 45-90 minutes.
  • Professional installation recommended for best results.
  • Remove stock airbox and intake tube, secure new components with provided hardware.

This Part Fits

Year Make Model Submodel
2004–2007 Acura TL Base

Why Choose Weapon-R?

  • Industry leader in performance intakes since 1999 with race-proven technology.
  • Innovative designs backed by rigorous dyno testing and real-world validation.
  • Commitment to quality materials and emissions-compliant engineering.

Frequently Asked Questions

  • Q: Is this intake compatible with the 2008 Acura TL?
  • A: It fits 2004-2007 models; for 2008, verify with SKU 301-146-109 for potential updates.
  • Q: How does the Secret Weapon differ from the Dragon Intake?
  • A: Secret Weapon uses dual-velocity physics for higher airflow gains, while Dragon focuses on foam filtration both excel in performance.
  • Q: Does installation require tuning?
  • A: No, it's a plug-and-play system however, custom tuning can maximize gains.

Shipping & Handling

  • Method: Ground shipping for reliable delivery.
  • Availability: Usually ships within 1-2 business days.
  • Packaging: Securely boxed with foam protection to prevent damage.
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