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Best Catalytic Converters

Permatex 80333 Muffler and Tailpipe Putty, 4 oz., 4 Ounce

  • Permanently repairs holes and leaks in exhaust systems.
  • Seals out fumes at temperatures up to 2000F.
  • Suggested Applications: Mufflers, tailpipes, joints and catalytic converters.
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Solder-It Catalytic Converter Cleaner and Deodorizer (16 fl oz) | Fuel System Cleaner | EGR Valve, Combustion Chamber, and Oxygen Sensor Cleaner | Catalytic Cleaner Fuel Additive for Gasoline Engines

  • MAINTAINS CAT CONVERTER: Our Solder-It Catalytic Converter Cleaner and Deodorizer is a fuel additive for automotive engines that supports functional converters by removing build-up in the system.
  • HELPS GET RID OF FOUL SMELL: Get satisfaction from cleaner engine smells. Our catalytic convertor cleaner helps to eliminate offensive rotten egg odors from your engine exhaust..
  • CLEANS OXYGEN SENSORS: Our catalytic cleaner helps as an oxygen sensor cleaner in all functional monolithic and pelletized catalytic converters. This may also extend the time between tune-ups..
  • SUPPORTS EMISSIONS TESTING: Using our fuel system cleaner may help pass emissions control tests. This simple gas treatment promotes carbon cleaner effects that could cut down on emissions..
  • PROMOTES BETTER PERFORMANCE: Promote better fuel efficiency with our potential fuel saver. Good cleaning and maintenance of your cat converter helps you avoid power loss when accelerating..
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48V 60V 72V to 12V 50A Buck Converter 600W Step Down DC to DC Converter Transformer Reducer for Golf CART Scooters & Bicycles

  • FEDERAL/EPA COMPLIANT - Extensive testing and certification processes are followed to guarantee that 99205HM meets emissions standards set by the Federal EPA..
  • UNIVERSAL INSTALLATION - Universal catalytic converters allow you to place it in the exact location and orientation required for your vehicle. Professional installation is highly recommended..
  • CLAMSHELL DESIGN - Durable stainless-steel construction and integrated OEM-like O2 ports guarantee optimal catalytic converter performance and reliability. The clamshell design features a continuous seam weld that ensures superior thermal insulation..
  • HM GRADE - Catalytic converter 99205HM is built to HM Grade standards, meaning that it contains extra catalysts to further improve the conversion of unwanted emissions..
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter.
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AUTOSAVER88 Catalytic Converter Compatible with 2002-2006 Nissan Altima 2004-2008 Maxima 2004-2006 Quest 3.5L Firewall Side/Bank 1 EPA Compliant

  • AUTOSAVER88 direct-fit high flow catalytic converter is designed to meet or even exceed OE quality and performance standards..
  • Features heavy-duty stainless steel outer shell construction for maximum durability. The internal substrates and precious metal loading have been....
  • The standard OE specification flanges are designed for easy installation, direct fit without doing extra modification (comes with gasket and....
  • Genuine EPA certification, every catalytic converter body is stamped with exclusive EPA number. Federal EPA standard catalytic converters are backed 5....
  • Vehicle Fitment: Compatible with 2002-2006 Nissan Altima, 2004-2008 Nissan Maxima, 2004-2006 Nissan Quest 3.5L Firewall Side / Bank 1, please check....
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MagnaFlow Universal Catalytic Converter OEM Grade Federal/EPA Compliant 51356 - Stainless Steel 2.5in Inlet/Outlet Diameter, 15in Overall Length, Midbed O2 Sensor - OEM Replacement

  • FEDERAL/EPA COMPLIANT - Extensive testing and certification processes are followed to guarantee that 99205HM meets emissions standards set by the Federal EPA..
  • UNIVERSAL INSTALLATION - Universal catalytic converters allow you to place it in the exact location and orientation required for your vehicle. Professional installation is highly recommended..
  • CLAMSHELL DESIGN - Durable stainless-steel construction and integrated OEM-like O2 ports guarantee optimal catalytic converter performance and reliability. The clamshell design features a continuous seam weld that ensures superior thermal insulation..
  • HM GRADE - Catalytic converter 99205HM is built to HM Grade standards, meaning that it contains extra catalysts to further improve the conversion of unwanted emissions..
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter.
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AUTOSAVER88 Catalytic Converter Compatible with 2006-2012 Subaru Forester Impreza Legacy Outback / 2006 Saab 9-2X 2.5L Direct-Fit High Flow Series EPA Compliant

  • AUTOSAVER88 direct-fit catalytic converter is designed to meet or even exceed OE quality and performance standards..
  • Features heavy-duty stainless steel outer shell construction for maximum durability. The internal substrates and precious metal loading have been....
  • The standard OE specification flanges are designed for easy installation, direct fit without doing extra modification (comes with gasket and....
  • Genuine EPA certification, every catalytic converter body is stamped with exclusive EPA number. Federal EPA standard catalytic converters are backed 5....
  • Vehicle Fitment: Compatible with 2006-2010 Subaru Forester, 2006-2011 Subaru Impreza, 2006-2012 Subaru Legacy, 2006-2012 Subaru Outback and 2006 Saab....
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Catalytic Converter compatible with 2001-2003 Ford Ranger | 2001-2003 Mazda B3000/B4000 | 3.0/4.0L

  • NON-CARB COMPLIANT: WE DO NOT SHIP TO CALIFORNIA & NEW YORK. NOT LEGAL FOR USE IN CALIFORNIA & NEW YORK, USA. THIS PRODUCT WILL NOT PASS THE....
  • VEHICLE Compatibility: TO ENSURE PRODUCT ACCURACY YOU MUST USE OUR Compatibility FEATURE ON TOP LEFT CORNER OF THIS PAGE, TO DETERMINE WHETHER THIS....
  • PO420/PO430 CODE/CHECK ENGINE: THERE IS NO GUARANTEE THAT REPLACING THE CONVERTER WILL KEEP A FAULT CODE/ENGINE LIGHT FROM COMING BACK. IF AN ENGINE....
  • UNDER FEDERAL LAW: CATALYTIC CONVERTER MAY NOT BE REMOVED AND REPLACED WITH "CONVERTER REPLACEMENT PIPES" BY ANY PERSON OTHER THAN THE ACTUAL....
  • AFTERMARKET CATALYTIC CONVERTERS: KINDLY NOTE, THESE PRODUCTS ARE AFTERMARKET PRODUCTS, THEREFORE, THEY WILL NOT APPEAR AS THE ORIGINAL STOCK OEM....
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Liqui Moly 2037 Pro-Line Engine Flush

  • Easy way to clean and flush the oil systems of gasoline and diesel engines.
  • Neutral to seals and other materials installed in the engine.
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STP Gas Treatment (3 pack)

  • STP Car Petrol Treatment 200ml (CLO51200EN) New..
  • STP Petrol Treatment used regularly helps save fuel by keeping fuel intake systems clean of harmful deposits.
  • fight rust and corrosion in the fuel system.
  • reduce exhaust emissions. Use every 1000 miles / 1600 kms. Safe to use with other STP additives..
  • Suitable for all classic and modern engines, catalytic converters..
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HEET SA16-12-12PK Starting Fluid, 10.1 av. oz. (Pack of 12)

  • Contains upper cylinder lube and corrosion inhibitor.
  • Safe for all oxygen sensors and catalytic converters.
  • Great for lawnmowers, snowmobiles, snow blowers, and construction equipment.
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BOOSTane Professional Octane Booster 32oz (2 Pack)

  • Safe for catalytic converters & oxygen sensors.
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Klotz KL-628 Octane Boosters

  • Promotes clean fuel burn for fewer emissions.
  • Safe for turbos, oxygen sensors and catalytic converters.
  • Stens one-year ensures reliability and performance for every part.
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Stens 051-635 Octane Booster, Black

  • Promotes clean fuel burn for fewer emissions.
  • Safe for turbos, oxygen sensors and catalytic converters.
  • Suitable for use in fuel injected and carbureted engines.
  • Provides more boost than most other brands.
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