Audi A4 Tornado Fuel Saver

TORNADO FUEL SAVER -- EPA confirmed and proven to increase gas mileage by 1 to 2 miles per gallon; 2.5 in. diameter x 1.5 in. height; Includes full installation instruction; This economical air management system has a non-moving turbine shaped device with...

TORNADO FUEL SAVER -- EPA confirmed and proven to increase gas mileage by 1 to 2 miles per gallon; 3.125 in. diameter x 1.5 in. height; Includes full installation instruction; This economical air management system has a non-moving turbine shaped device wi...

MR GASKET FUEL SAVER -- Universal type; A component that maximizes fuel mileage; Allows the engine to breathe more efficiently; Works in every fuel injected gasoline vehicle; Easy installation; Fits in the air intake tube on top of the engine in 2 in. to ...

UNIVERSAL OXYGEN SENSOR, UNHEATED, 2-WIRE -- 16 cm long wiring; Includes instructions and butt type connectors; Without plug; A high quality oxygen sensor; Covered by a 1-year unlimited mileage warranty....

OXYGEN SENSOR, HEATED, 4-WIRE -- A high quality, direct fit OE replacement oxygen sensor; Covered by a 1-year unlimited mileage warranty....

OXYGEN SENSOR, 4-WIRE -- Threaded-in type; A high quality, direct fit OE replacement oxygen sensor; Covered by a 1-year unlimited mileage warranty....

BOSCH UNIVERSAL REGULAR CLASS OXYGEN SENSOR, 4-WIRE -- 25.6 in. wire length, heated; Manufactured with a two-foot length sensor wire; Uses a submersible patented connection system that protects against contamination and withstands the effects of extreme t...

BOSCH OE TYPE SUPER CLASS OXYGEN SENSOR, 4-WIRE -- 24 in. wire length, planar; Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock; Its patented catalyti...

BOSCH OE TYPE SUPER CLASS OXYGEN SENSOR, 4-WIRE -- 56.9 in. wire length, planar; Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock; Its patented cataly...

BOSCH OE TYPE SUPER CLASS OXYGEN SENSOR, 4-WIRE -- 28.7 in. wire length, heated; Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock; Its patented cataly...

BOSCH OE TYPE SUPER CLASS OXYGEN SENSOR, 4-WIRE -- 66.9 in. wire length, heated; Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock; Its patented cataly...