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Weapon-R Secret Weapon Intake Kit for Lexus GS430 LS430 SC430 4.3L V8 2001-2004 - 305-137-101

Weapon-R Secret Weapon Intake Kit Lexus GS430 | LS430 | SC430 4.3L V8 2001-2004 305-137-101 | Vivid Racing

If you’re looking to give your Lexus a serious boost, the Secret Weapon Intake is where it’s at. This isn’t just any intake; it’s engineered to crank up the air volume that your engine gets, and trust me, that makes a world of difference. The whole idea behind it is pretty cool: it creates two distinct air velocity profiles. One of them zips through at higher speeds while the other adds a bit of volume. What does that mean for your ride? Simply put, it feeds your engine about three times more air than the standard intake. That’s a game changer.

Now, let’s talk about the build. The intake pipe is crafted from top-notch 6061 Aluminum, shaped using Weapon-R’s automated CNC mandrel bender. That means it’s not just strong; it looks sharp too, thanks to a polished finish that’s show-quality. And the SW1 Air filter? It’s got a tuned velocity stack that helps with air speed and reduces turbulence. You’ll only find this in a polished finish, which adds a nice touch to your engine bay.

One thing I really appreciate is the 1 Million Mile Limited Warranty. That’s right—this bad boy is built to last. The open pore, high-density foam is reusable, so you’re not just tossing it out after a few uses. Plus, it’s versatile with over 250 applications for cars, trucks, and SUVs. It’s got a USA PATENT (# 7,263,961B2) to back it up, so you know it’s legit.

Fitment:

  • Lexus GS430 | LS430 4.3L V8 (2001-2004)
  • Lexus SC430 4.3L V8 (2002-2004)

Note:

  • Pictures are for marketing purposes only; the actual product may vary.

So if you’re rolling with a Lexus GS430, LS430, or SC430 from 2001 to 2004, this Weapon-R Secret Weapon Intake Kit (305-137-101) is something you definitely want to check out. It’s a solid upgrade that’ll have your engine breathing easier and performing better.

Other Part Numbers:
Weapon-R #wpn305-137-101

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Weapon-R Logo

What is Weapon-R?

Weapon-R is a well-known manufacturer of aftermarket accessories for a number of popular makes and models. It is focused on performance products that will improve the power of your vehicle which, in turn, make the car an even greater joy to drive. Weapon-R parts are, oftentimes, considered to be some of the most unique, highest performing, and best looking in their class. With more than a decade of experience in building go-fast parts for speed demons, Weapon-R has garnered a respectable name of itself. Its products are popular among enthusiasts who crave effective performance without breaking the bank.

What Does Weapon-R Offer?

As aforementioned, Weapon-R is primarily known for its quality, high-performance intakes. At the forefront of its inventory is the Weapon-R cold air intake. The proper air intake will allow your engine to breathe better and get a lot more air at better temperatures. This, in turn, provides better fuel economy while also improving vehicle acceleration. Each individual Weapon-R part is built with a specific vehicle in mind and crafted from only the highest quality materials to ensure longevity and durability.

While Weapon-R is best known for its air intake kits, the brand has been building other performance-enhancing parts for many years. Its racing headers are a popular close second and have been well-received for some time now as an effective means to increase exhaust flow and provide notable horsepower and torque gains at an affordable price. 

Weapon-R’s lineup also includes intercooler pipe kits for an existing turbo and intercooler. This will help guarantee your turbo is receiving the coolest air possible, while attractive wider aluminum pipes allow for higher airflow.

Find Weapon-R Parts at Vivid Racing

While your vehicle may already be fun to drive and have loads of power, that doesn’t mean you shouldn’t or can’t improve it. Vivid Racing has what you need to heighten that performance with a wide selection of quality parts from Weapon-R. We have everything from catted downpipes, headers, and cold air intakes to short ram intakes, intake manifolds, and intercooler pipes. If you cannot find a particular item above or have any questions, please call our specialized parts team at (480) 966-3040. 

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Things
Sale price None
Wholesale price $288.34
Shipping Weight: 5.60
Length: 24
Width: 10
Height: 10
Product Added At Tuesday 27 December, 2022
Product Modified At Tuesday 03 June, 2025
Imported By ETLOverride
Last Edited By renaliza.enriquez@gmail.com
View In Admin

Emissions Info
Carb Approved No
Carb Number -
Epa Status N/A
Prop65 Unknown
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Weapon R $244.36 $359.35 ? $305.45 ? 2025-06-03 19:03:17


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