Skip to product information
1 of 5
4.8 / 55,985 reviews

Catalytic Converter Cleaner

Catalytic Converter Cleaner

Regular price $49.95
Regular price $49.90 Sale price $49.95
- 0% Sold out

Free USPS shipping

Secure payment with Creditcard

30 days return guarantee


Only few items left in stock

Ships by Sun, 15 Nov🇺🇸 Free US shipping

Description

Catalytic Converter Cleaner

Your engine's acting sluggish and smells weird when you crank it up, right? That uneasy feeling goes away, and your car responds like it used to. You're running errands, picking up the kids, and making weekend drives without wondering what's actually wrong. 

Pop open your gas tank and pour in the whole 4oz bottle before you fill up. It mixes right in with your fuel and flows through while you drive. The formula breaks up gunky carbon buildup on your catalytic converter, clearing things out as exhaust moves through.

Cleans your threeway catalytic converter without taking anything apart or changing your oil. Cuts down total hydrocarbon emissions and gets your exhaust cleaning system working better. Your engine gets more power and quicker pickup while burning less gas when you're out driving around.

That's not all! It neutralizes unpleasant exhaust odors and scrubs out gunk clogging your oil system parts. Helps reduce the need for costly repairs by keeping your converter from dying early. Plus, just keep the bottle somewhere cool and dry until you need it.

  • THREEWAY CATALYST CLEANER: Removes carbon compounds from converter surfaces, helps restore purification efficiency and reduces hydrocarbon emissions.

  • 4OZ COMPLETE TREATMENT: One full bottle treats your entire fuel system, delivering thorough cleaning without needing oil changes or mechanical work.

  • ENGINE POWER RESTORATION: Breaks down deposits blocking performance, supports smoother engine performance and more responsive driving when you hit the gas.

  • FUEL EFFICIENCY BOOST: Cleans buildup that wastes gas, helping your engine burn fuel smarter and lowering your consumption on every tank.

  • EXHAUST ODOR ELIMINATOR: Neutralizes that gross rotten egg smell from your tailpipe, making your car pleasant to drive and park again.

  • OIL SYSTEM PROTECTION: Scrubs harmful deposits from oil passages and cylinder walls, keeping your engine internals cleaner and running more stable.

  • EASY POUR APPLICATION: Just dump the bottle into your gas tank before filling up, no tools or complicated steps needed whatsoever.

  • MAINTENANCE COST REDUCER: Prevents expensive catalytic converter replacements and extends exhaust system life, saving you hundreds down the road.

CATALYTIC CONVERTER CLEANER SPECS

  • Content Volume: 4 fl oz

  • Application Method: Pour into tank

  • Compatibility: Gasoline engines only

  • Not For: Hybrid vehicles

  • Storage: Cool, dry place

  • Function: Catalyst cleaning

  • Emissions Reduction: Hydrocarbons

  • Engine Benefit: Power restoration

  • Fuel Impact: Lower consumption

  • Installation: No disassembly required

PACKAGE INCLUDES:

  • 1 x Catalytic Converter Cleaner

View full details
Selected Variant Image
Catalytic Converter Cleaner
Regular price $49.95
Regular price $49.90 Sale price $49.95
Selected Variant Image
Catalytic Converter Cleaner
Regular price $49.95
Regular price $49.90 Sale price $49.95

SHOP WITH CONFIDENCE

From fashion and home essentials to lighting, kitchenware, gadgets, tools, and everyday discoveries, Harlvane brings together products for every part of your life. Enjoy free U.S. shipping, secure checkout, and 30-day returns, with our customer care team here to help along the way.

YOUR SATISFACTION MATTERS

Whether you're shopping for your home, upgrading your everyday essentials, or tracking an order, we're here to help. At Harlvane, your satisfaction comes first, with friendly customer support and 30-day returns for added peace of mind. Need assistance? Reach us anytime at info@harlvane.com.

FREQUENTLY ASKED QUESTIONS

Do you offer free shipping?
Yes! Enjoy free shipping on every Harlvane order delivered within the United States, with no minimum spend.
Can I return the item(s) if I don’t like them?
Yes. You can request a return within 30 days of delivery. Items should be unused, in original condition, and returned with original packaging, tags and accessories. Email info@harlvane.com and our team will guide you through the next steps. See our return policy for full details and return shipping conditions.
How can I track my order?
Once your order ships, we’ll email you a tracking link so you can follow its progress. You can also visit Track Your Order for delivery updates.
What payment methods do you accept?
You can pay securely with Visa, Mastercard, Discover or Diners Club, plus express options such as Apple Pay, Google Pay, Shop Pay, PayPal and Amazon Pay when available. Your available payment options are displayed at checkout.
Will I receive a confirmation email after placing an order?
Yes. After your order is placed successfully, you’ll receive an email with your order details. If you don’t see it, check your spam folder or contact info@harlvane.com and we’ll help.

FREE SHIPPING

Your next favorite find, delivered free. Enjoy complimentary shipping on all U.S. orders.

30-DAY RETURNS

Shop with confidence, with 30 days from delivery to request a return.

SECURE PAYMENTS

Check out with confidence using trusted payment options and encrypted payment processing.