A Vehicle Specific item is specifically designed for the exact measurements of your vehicle. No alterations are required.

A universal fit item is designed to fit and work with almost any vehicle. It will work with your vehicle, but may require some modifications to fit exactly.
 
TORNADO® PERFORMANCE BOOSTER
Vehicle Specific for your vehicle. What's this?
$65.99 - $66.99
Designed to burn fuel cleaner, faster and more completely for greater power and fuel economy.

FITCH® CUSTOM-FIT BOLT-ON CATALYST
Vehicle Specific for your vehicle. What's this?
$204.99 - $343.99
Bolt on Fitch® Custom-Fit Catalyst to your fuel line and start saving fuel, cash and more! Reformulates your fuel for improved fuel economy, increased octane and better horsepower and torque. Mounts easily with common hand tools; not for sale in Oregon.

FITCH® UNIVERSAL DROP-IN PERMANENT CATALYST
$138.99
Improved fuel economy, horsepower & torque couldn't be easier—simply insert Fitch® Universal Drop-In Permanent Catalyst directly into the gas tank! Superior to additives…reformulates your fuel for power gains and more miles per gallon. For all pre-1980 cars, trucks, SUVs, vans, boats; not for sale in Oregon.

FUELBOSS™ FUEL SAVERS - MAGNETIC
$23.99
Tested and approved by an EPA accepted laboratory to increase fuel economy up to 11.6%!

FUEL OPTIMISER™ EXTRA-PERFORMANCE
$49.99
Place over the incoming fuel line (gas or diesel) in your car, truck, boat or motorcycle and start maximizing your engine's performance—much stronger magnets for diesels, high performance, larger and commercially driven engines. Improves gas mileage up to 24%—you can save hundreds of dollars a year on fuel costs! Made in the USA.

FUEL OPTIMISER™ STANDARD
$14.99
Made in the USA! Place over the incoming fuel line (gas or diesel) in your car, truck, boat or motorcycle and start maximizing your engine's performance. You can save hundreds of dollars a year on fuel costs! Improves gas mileage up to 24%!

FUELBOSS™ HIGH-PERFORMANCE/COMMERCIAL-VEHICLE MAGNETIC FUEL SAVER
$36.99
Tested and approved by an EPA accepted laboratory to increase fuel economy up to 11.6%!

MR. GASKET® MAX FUELER™ VORTEX GENERATOR FUEL ECONOMY DEVICE
$13.99
You can't afford NOT to install the Max Fueler™ Vortex Generator in your fuel-injected ride! Simple, inexpensive device installs in your air intake tube and maximizes you fuel efficiency—average improvement of 1-3 MPG! Fits almost all fuel injected vehicles and never needs replacement.

NARROW BY

BRAND

PRICE

BY VEHICLE

Air Intake and Fuel Systems

Shop for Parts & Accessories

Exterior

Interior

Under Car & Hood

Car Care & Garage

Electrical Systems

Safety & Emergency

Marine & Boat

Motorcycle & ATV

RV & Camping