

ITG WB-451 Air Filter - Renault Clio 2 RS (RS2 / RS3)
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Don't let your engine suffocate with a restrictive factory paper filter. The ITG WB-451 replacement air filter is the essential upgrade to unlock the full potential of your Renault Clio 2 RS (RS2 and RS3 172/182hp). Featuring unique Tri-Foam technology, it provides superior filtration without sacrificing airflow, ensuring maximum engine protection and sharper throttle response. This reusable foam filter is built for motorsport enthusiasts who demand reliability.
Why your Clio 2 RS deserves better than a standard air filter
By keeping a standard paper filter in your Renault Clio 2 RS2 or RS3, you are unintentionally choking the performance of the F4R engine. A clogged or restrictive filter increases pressure drop, putting unnecessary strain on your engine and limiting high-rev power delivery. Failing to upgrade to the ITG WB-451 foam filter means accepting suboptimal thermal efficiency and higher fuel consumption during your track days or spirited drives.
ITG Tri-Foam Technology: Performance without compromise
Unlike traditional cotton gauze filters, the ITG replacement air filter utilizes three layers of different density foam. This specialized structure traps even the finest dust particles while maintaining a high-velocity airflow.
- Maximum protection against abrasive dust and debris.
- Superior durability: this filter is fully washable and reusable.
- Plug-and-play installation: fits perfectly into the original airbox.
Optimization and Personalization for your Renault Sport
At Optimiz Access, experts in performance car customization, we know that every detail matters for your setup. Installing the WB-451 reference is the first step toward a reliable build. Without this high-flow upgrade, you are missing out on a deeper induction sound and improved engine responsiveness.
Frequently Asked Questions about the ITG WB-451 filter:
Is this filter compatible with my Clio 172 or 182?
Yes, this model is specifically engineered for Clio 2 RS Phase 2 (172hp) and Phase 3 (182hp/Cup Chassis).
Foam filter maintenance:
To maintain peak filtration performance, we recommend using ITG-specific cleaning products available on our webshop.
Optimiz Access Expertise & Global Shipping
Based in the Hauts-de-France region (near Lille, Valenciennes, and Arras), the Optimiz Access team selects only premium parts for your sports cars. We ship this high-performance air filter worldwide with dedicated logistics for fast delivery.
Note: To complete your project, you can find complementary products, such as the front bumper right support, at the bottom of this page.









































