{"product_id":"philtop-catalytic-converter-for-honda-and-acura-vehicles-2009-2017","title":"Catalytic Converter Compatible with Honda Acura 3.5L - EPA Compliant","description":"\u003cp\u003eIn this review the focus is on the PHILTOP catalytic converter compatible with a range of Honda and Acura 3.5L models. The bottom line: this unit is for owners who need an EPA approved replacement for federal emissions vehicles and value a high flow honeycomb substrate that aims to restore exhaust efficiency. Our review finds it best suited to drivers replacing a failed converter on supported models who want a direct-fit aftermarket option and who are not registered in states that restrict non-CA-certified parts.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA Approved:\u003c\/strong\u003e Meets EPA requirements for federal emissions vehicles so it can be used in states that allow federal parts, giving purchasers regulatory peace of mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Fitment Coverage:\u003c\/strong\u003e Lists compatibility across Pilot, Odyssey, Accord, RDX, TL, Ridgeline, Crosstour, RL and TSX model years to simplify selection for many 3.5L Honda and Acura owners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Design:\u003c\/strong\u003e Internal honeycomb ceramic substrate with a porous design increases flow rate and surface area to help maintain engine performance and exhaust scavenging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE Part References:\u003c\/strong\u003e Matches OE part numbers 16658, 16643 and 16447 so installers can verify fitment against factory references.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Included:\u003c\/strong\u003e Arrives with necessary hardware in most cases, which reduces the need to source extra components during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis catalytic converter is aimed at owners of compatible Honda and Acura vehicles with federal emissions specifications who need a replacement for a damaged or clogged converter. It fits a broad range of 3.5L engines and some adjacent 3.7L applications, making it a practical single-purchase option for garages and DIYers familiar with exhaust work.\u003c\/p\u003e\u003cp\u003eIt is not suitable for vehicles registered in California, New York, or Maine since it is not legal to sell, install, or use there under local regulations. Buyers who require CARB-certified parts or who have uncommon exhaust modifications should look for a state-compliant or vehicle-specific OEM part instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEPA approved for federal emissions use, offering legal compliance outside restricted states.\u003c\/li\u003e\n\u003cli\u003eHigh flow honeycomb substrate aims to restore exhaust efficiency and engine responsiveness.\u003c\/li\u003e\n\u003cli\u003eBroad vehicle fitment and included hardware improve value and reduce installation preparation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFit and installation feedback is mixed, so some vehicles may require adjustments or professional installation to avoid check engine light issues.\u003c\/li\u003e\n\u003cli\u003eNot legal for sale or use in certain states, limiting availability to some buyers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePHILTOP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPA Status\u003c\/td\u003e\n\u003ctd\u003eEPA Approved (federal emissions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003e3.5L and select 3.7L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Models\u003c\/td\u003e\n\u003ctd\u003ePilot, Odyssey, Accord, RDX, TL, Ridgeline, Crosstour, RL, TSX (see model years)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOE Part Numbers\u003c\/td\u003e\n\u003ctd\u003e16658, 16643, 16447\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Type\u003c\/td\u003e\n\u003ctd\u003eHoneycomb ceramic high flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eHardware included in most shipments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe PHILTOP catalytic converter is a practical, value-oriented replacement for owners of supported Honda and Acura 3.5L vehicles who need an EPA approved federal emissions unit. It offers a high flow ceramic core and broad fitment that make it a sensible option for many repairs, but buyers should confirm fitment carefully and be aware of state restrictions before purchase.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this legal in all states?\u003c\/strong\u003e\u003cbr\u003eIt is only legal for federal emissions vehicles and cannot be sold, installed, or used in California, New York, or Maine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich OE part numbers does it match?\u003c\/strong\u003e\u003cbr\u003eThe converter references OE part numbers 16658, 16643 and 16447 for fitment verification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it include installation hardware?\u003c\/strong\u003e\u003cbr\u003eMost shipments include the necessary hardware, but buyers should confirm their package contents before starting installation.\u003c\/p\u003e","brand":"PHILTOP","offers":[{"title":"Default Title","offer_id":48120113037531,"sku":"B0CZDBYC81","price":192.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71i6UbM8mmL._AC_SL1500.jpg?v=1768408955","url":"https:\/\/gearmusthave.com\/products\/philtop-catalytic-converter-for-honda-and-acura-vehicles-2009-2017","provider":"GearMustHave","version":"1.0","type":"link"}