FOMIUZY Catalytic Converter Kit for Honda/Acura/Saturn 3.5L Direct-Fit Stainless Steel Ceramic Substrate

FOMIUZY catalytic converter kit is a direct-fit replacement designed to restore exhaust flow and emissions control for compatible 3.0L–3.7L Honda, Acura and Saturn models. This replacement catalytic converter kit is built from stainless steel with a high-load ceramic substrate and precious-metal washcoat to match OEM performance for listed vehicles. It is supplied as a complete converter assembly engineered to align with factory mounting points so installers can bolt it in quickly; final welding is recommended to optimize sealing. Before buying, verify your vehicle year, engine size and OEM part numbers to ensure fitment and to confirm state emissions eligibility.

Which vehicles and engines will this kit fit?

The FOMIUZY kit is intended for specific Honda, Acura and Saturn models with 3.0L–3.7L engines produced in the listed years. Use the compatibility list and OE numbers to confirm before ordering; it is not compatible with California emissions variants.

• Compatible models: 2003–2007 Honda Accord 3.0L; 2005–2007 Odyssey 3.5L; 2005–2008 Pilot 3.5L; 2006–2008 Ridgeline 3.5L.
• Also fits Acura MDX and TL model years and Saturn Vue 3.5L as specified in the product listing.
• Referenced OE numbers: 16450, 16451, 40656, 40657, 641355, 641356, 674-849, 674-850 for cross-checking.

How durable and effective is the converter material?

The body uses stainless steel to withstand high exhaust temperatures and road conditions, while the internal ceramic substrate is coated with platinum, rhodium and palladium to maintain catalytic activity. The substrate’s engineered geometry increases the surface contact area, improving conversion efficiency without altering fitment.

• Stainless-steel shell for corrosion and heat resistance.
• Ceramic substrate with Pt, Rh, Pd precious-metal loading.
• High-deformation substrate design to enlarge contact area and efficiency.

Is installation straightforward and what do installers need to know?

This unit is manufactured to match original dimensions so it bolts into existing mounts. Installers commonly bolt the flanges first to check alignment; welding the joints afterward is recommended to improve sealing and durability. Note that this part may not be legal for sale in California and New York if it does not meet their emissions standards.

• Direct-fit dimensions—bolts to factory mounting points for faster installation.
• Recommended: bolt first, then weld to secure leak-free joints.
• Verify state emissions compliance before installation (not legal for sale in CA and NY in some cases).

What warranty and support are included with the purchase?

FOMIUZY provides a lifetime warranty on manufacturing defects and offers after-sales support to address fitment or quality concerns. The item is factory tested to meet or exceed OEM specifications, and customer service aims to respond promptly to inquiries.

• Lifetime warranty against manufacturing defects.
• Factory-tested to match or exceed OEM specifications.
• Customer support available for part questions and replacement handling.

Who is this for This catalytic converter kit is aimed at owners and independent mechanics restoring exhaust and emissions function on mid-2000s Honda, Acura and Saturn vehicles with the listed 3.0L–3.7L engines. It’s ideal for drivers seeking an OEM-dimension replacement at a lower cost than dealer parts, and for professional installers who will bolt and weld the assembly for a durable repair. Always confirm engine size, year and OE cross-reference before purchase to ensure proper fit and legal compliance.

FAQ

Q: Does this converter fit California emissions vehicles?

A: No. This kit is not compatible with California emissions (and may be restricted in NY). Verify local regulations before purchasing.

Q: Is welding required after installation?

A: Bolting secures the converter, but welding the joints is recommended to ensure the best sealing and longevity.