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 ...

BOSCH UNIVERSAL REGULAR CLASS OXYGEN SENSOR, 3-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 -- 27.2 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...

K&N AIR FILTER -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 6.063 in. height, 6 in. base outside diameter, 3.625 in. flange inside diameter, 0.625 in. flange length; Multiple interwoven layers of surgical cot...

K&N HIGH FLOW DIRECT FIT AIR FILTER -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.563 in. height, 12.625 in. outside length, 5 in. outside width; Multiple interwoven layers of surgical cotton gauze; Oiled el...

K&N 57I SERIES GENERATION I PERFORMANCE INDUCTION KIT -- 96%-99% Filtration Efficiency Rate, This Intake Kit Is Designed To Increase Your Vehicles Power And Acceleration Throughout The RPM Range, It Replaces Your Restrictive OE Air Filter And Box, Works W...

WALKER PRODUCTS OXYGEN SENSOR, 5-WIRE -- A high quality, direct fit OE replacement oxygen sensor; Improves car's engine response and gas mileage; Effectively lowers emissions upon replacing its tired old oxygen sensor; Exceeds OE specifications and test r...

STANT FUEL TANK CAP, LOCKING -- A High Quality, Direct Fit OE Replacement Fuel Tank Cap, Made With Highest Quality Material, Chrome Plated, Vacuum Type Only, Easily Opens With 1/4 Turn Of The Key, Features Press-To-Lock System And Cylinder Lock With 2 Key...

STANT FUEL CAP, PRESSURE RELIEF -- A High Quality, Direct Fit OE Replacement Fuel Cap, Protects Vehicle's Occupants From Gasoline Vapors, Provides Fuel Economy And Reduces Fuel Emissions...