1999 Audi S4 Air Filters

1999 Audi S4 is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your S4. We have 3097 Air Filters available for your 1999 S4 all priced at lowest possible price backed by FREE SHIPPING.

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Airaid 2" PCV Filter

Universal Part | Part #: 771-481

PCV; OVAL; 2"H; 1" PUSH IN

Highlights: Non-woven Synthetic; 0 in (0 mm); 0.5 in (13 mm); 1 in (25 mm); 1.5 in (38 mm); 2 in (51 mm)

Price: $47.95

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aFe Magnum FLOW Intake Replacement Air Filter w/ Pro GUARD 7 Media

Universal Part | Part #: 72-90015

Magnum FLOW Intake Replacement Air Filter w/ Pro GUARD 7 Media 5-1/2 F x 7 B x 5-1/2 T x 8 H in

Highlights: Yellow; Pro GUARD 7; 7" x 5.5"; Cotton Gauze; Dry; 5.5"; 8"; Closed Conical; 2 Years Manufacturer Warranty

Price: $98.00

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K&N Oval Custom Racing Assembly

Universal Part | Part #: 56-9095

BOLT-ON UNIT

Highlights: Red; 2.125 in (54 mm); 4.875 in (124 mm); Cotton Gauze; Oval; Red Filter; Chrome Top; 1.375 in (35 mm); Yes; 1.375 in (35 mm); 2.25 in (57 mm); E-9143; Oval; Chrome; Metal

Price: $115.99

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K&N Round Tapered Universal Clamp-On Air Filter

Universal Part | Part #: RA-050V

2-1/16"FLG; 3-1/2"OD-B;3"OD-T; 4"H

Highlights: 3.5 in (89 mm); Round Tapered; 0 in (0 mm); 3.5 in (89 mm); Cotton Gauze; 0.39 oz (12 ml); 0 degrees; 0 in (0 mm); 2.063 in (52 mm); 0.875 in (22 mm); 0 in (0 mm); Centered; 1; No; 4 in (102 mm); 0 in (0 mm); Chrome; 3 in (76 mm); Metal

Price: $51.95

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aFe Magnum FLOW Intake Replacement Air Filter w/ Pro 5R Media

Universal Part | Part #: 24-91045

Magnum FLOW Intake Replacement Air Filter w/ Pro 5R Media 4-1/2 IN F x 7 IN B x 4-1/2 IN T (Inverted) x 7 IN H

Highlights: Pro 5R; Round; 7"; Black; Rubber; 4.5"; Blue; Cotton Gauze; Pre-Oiled; 4.5"; Performance; 7"; 7"; Yes; Conical; 2 Years Manufacturer Warranty

Price: $72.95

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K&N Round Tapered Universal Clamp-On Air Filter

Universal Part | Part #: RC-9120

3-3/8"FLG; 5-3/4"B; 3-1/2"T; 5-7/16"H w/ 5/16"SMG.PRT.

Highlights: 5.75 in (146 mm); Round Tapered; 5.75 in (146 mm); Cotton Gauze; 0.91 oz (27 ml); 0 degrees; 3.375 in (86 mm); 0.75 in (19 mm); 0.625 in (16 mm); Offset; 1; Base Has 15/32" Vent; 5.438 in (138 mm); Chrome; 3.5 in (89 mm); Metal

Price: $59.95

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K&N Black Round Straight Precharger Air Filter Wrap

Universal Part | Part #: 22-8001PK

PRECHARGER WRAP;BLK.;CUSTOM

Highlights: Black; Round; No; 11 in (279 mm); 4 in (102 mm); Polyester

Price: $44.95

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aFe Magnum FLOW Intake Replacement Air Filter w/ Pro DRY S Media

Universal Part | Part #: 21-90108

Magnum FLOW Intake Replacement Air Filter w/ Pro DRY S Media 5 IN F x (11 IN x 6-1/2 IN) B x (8-1/2 IN x 4 IN) T x 7-1/2 IN H

Highlights: Pro Dry S; 2 Years Manufacturer Warranty

Price: $93.00

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K&N Round Tapered Universal Clamp-On Air Filter

Universal Part | Part #: R-1260

2-1/4"FLG; 3-1/2"B; 2"T; 4"H

Highlights: 3.5 in (89 mm); Round Tapered; 0 in (0 mm); 3.5 in (89 mm); Cotton Gauze; 0 degrees; 0 in (0 mm); 2.25 in (57 mm); 0.625 in (16 mm); 0 in (0 mm); Centered; 1; No; 4 in (102 mm); 0 in (0 mm); None; 2 in (51 mm); Rubber

Price: $78.99

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K&N Round Tapered Universal Clamp-On Air Filter

Universal Part | Part #: RC-4560

3-1/4"FLG; 5-3/4"B; 3-1/2"T; 6-5/8"H

Highlights: 5.75 in (146 mm); Round Tapered; 5.75 in (146 mm); Cotton Gauze; 1.11 oz (33 ml); 0 degrees; 3.25 in (83 mm); 0.75 in (19 mm); 0.5 in (13 mm); Offset; 1; Base Has (2) 7/8" Vents; 6.625 in (168 mm); Chrome; 3.5 in (89 mm); Metal

Price: $64.99

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K&N Round Air Filter

Universal Part | Part #: E-3322

6-1/4"OD;5-1/4"ID;2-1/2"H

Highlights: Round; Cotton Gauze; 0.37 oz (11 ml); None; No; 5.25 in (133 mm); 2.5 in (64 mm); 6.25 in (159 mm); None; Open

Price: $52.99

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K&N Black Oval Tapered Drycharger Air Filter Wrap

Universal Part | Part #: RF-1034DK

DRYCHARGER WRAP; RF-1034; BLACK; CUSTOM

Highlights: Black; Oval Straight; 9 in (229 mm); 5.75 in (146 mm); No; 7.5 in (191 mm); Silicone Treated Polyester; 7 in (178 mm); 4.5 in (114 mm)

Price: $64.99

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K&N Blue Round Straight Precharger Air Filter Wrap

Universal Part | Part #: 22-1450PL

PRECHARGER; 14" D; 5" H; BLUE

Highlights: Blue; Round; Yes; 14 in (356 mm); 5 in (127 mm); Polyester

Price: $89.99

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Injen 8-Layer Oiled Air Filter (Base: 9.50" x 10.00", Filter Height: 8.425", Flange ID: 8.50 x 9.00", Top OD: 4.00 x 8.00")

Universal Part | Part #: X-1023-BR

Highlights: Base: 9.50" x 10.00", Filter Height: 8.425", Flange ID: 8.50 x 9.00", Top OD: 4.00 x 8.00"; Oval Tapered; 9.50" x 10.00"; 69; 8.50 x 9.00"; 1"; No; Performance; No; 7.2"; 8Layer Oiled Cotton Gauze; Yes; 8.425"; 80; 0.725"; Yes; No; Rubber; 4.00 x 8.00"; Closed; No; No; Yes

Price: $95.35

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K&N Oval Custom Racing Assembly

Universal Part | Part #: 56-1160

DDO 7X4-1/2 OVAL 1-3/4 H

Highlights: Red; 1.75 in (44 mm); 6.125 in (156 mm); Cotton Gauze; Oval; Red Filter; Chrome Top; 1.813 in (46 mm); No; 1.75 in (44 mm); Yes; 1.813 in (46 mm); 7 in (178 mm); 4.5 in (114 mm); 2 in (51 mm); E-3321; Oval; Chrome; Metal

Price: $119.99

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Airaid Round Tapered Universal Air Filter

Universal Part | Part #: 701-539

CONE; 4" FLG 6"B X 4-5/8"T 8"H SYNTHAMAX

Highlights: Red; 7 in (178 mm); Round Tapered; 6 in (152 mm); Non-woven Synthetic; 4 in (102 mm); 1; 6 in (152 mm); 4.625 in (117 mm)

Price: $90.95

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Spectre 3" Red Cowl Tray Custom Assembly

Universal Part | Part #: 98303

COWL AIR CLEANER TRAY; 3" RED

Highlights: 3 in (76 mm); Non-woven Synthetic; Red Filter; Chrome Top; No; 4.219 in (107 mm); Chrome

Price: $251.95

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K&N Red Round Tapered PreCleaner Air Filter Foam Wrap

Universal Part | Part #: 25-6601

PRECLEANER WRAP; YA-6601

Highlights: Red; Round Tapered; 7 in (178 mm); No; 4.875 in (124 mm); Foam; 4.5 in (114 mm)

Price: $33.95

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Showing 1117 to 1134 of 3097 (173 Pages)

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1999 Audi S4 Air Filters

1999 Audi S4 Air Filters

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