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Subaru WRX STI Cold Air Intakes

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K&N Cold Air Intake - Premium High Flow, Lifetime Washable Filter, Guaranteed Horsepower Increase - 69-8005TWR
Part Number: K33698005TWR
Vehicle Info Required to Guarantee Fit
$399.99
Product Details
Emissions : 50-State LegalAir Filter Type : OiledSeries : 69 Series Typhoon SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Cotton Gauze FilterEO Number : D-269-41Warranty : 10-year or 1 million-mile K&N limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Color Finish : Red
21-863C Dryflow Series Cold Air Intake, Dry Aluminum Tube
Part Number: A1821863C
Vehicle Info Required to Guarantee Fit
$299.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DrySeries : Dryflow SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Non-woven SyntheticAdvertised Power Gains : 16.5 HP @ 5224 RPMWarranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

21-478C Dryflow Series Cold Air Intake, Dry Aluminum Tube
Part Number: A1821478C
Vehicle Info Required to Guarantee Fit
$299.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DrySeries : Dryflow SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Non-woven SyntheticAdvertised Power Gains : 36 HP @ 5300 RPMWarranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

SP1208WR Cold Air Intake, Dry Aluminum Tube
Part Number: I24SP1208WR
Vehicle Info Required to Guarantee Fit
$344.95
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DryQuantity Sold : Sold individuallyTube Material : Aluminum TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitWarranty : Lifetime Injen limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Color Finish : Red
SP1208WB Cold Air Intake, Dry Aluminum Tube
Part Number: I24SP1208WB
Vehicle Info Required to Guarantee Fit
$344.95
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DryQuantity Sold : Sold individuallyTube Material : Aluminum TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitWarranty : Lifetime Injen limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Color Finish : Black
SP1208P Cold Air Intake, Dry Aluminum Tube
Part Number: I24SP1208P
Vehicle Info Required to Guarantee Fit
$344.95
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DryQuantity Sold : Sold individuallyTube Material : Aluminum TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitWarranty : Lifetime Injen limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Color Finish : Polished
K&N Cold Air Intake - Premium High Flow, Lifetime Washable Filter, Guaranteed Horsepower Increase - 69-8009TWR
Part Number: K33698009TWR
Vehicle Info Required to Guarantee Fit
$349.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : OiledSeries : 69 Series Typhoon SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Cotton Gauze FilterWarranty : 10-year or 1 million-mile K&N limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Color Finish : Black
21-836WR Cold Air Intake, Dry Aluminum Tube
Part Number: A1821836WR
Vehicle Info Required to Guarantee Fit
$349.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DryQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Synthetic FilterAdvertised Power Gains : 22.1 HP @ 6217 RPMWarranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

21-836C Dryflow Series Cold Air Intake, Dry Aluminum Tube
Part Number: A1821836C
Vehicle Info Required to Guarantee Fit
$349.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DrySeries : Dryflow SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Non-woven SyntheticAdvertised Power Gains : 22.1 HP @ 6217 RPMWarranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

21-735WB Cold Air Intake, Dry Aluminum Tube
Part Number: A1821735WB
Vehicle Info Required to Guarantee Fit
$349.99
Product Details
Emissions : 50-State LegalAir Filter Type : DryQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Synthetic FilterEO Number : EO Number: D-670-24Warranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

SP1206WR SP Series Cold Air Intake, Dry Aluminum Tube
Part Number: I24SP1206WR
Vehicle Info Required to Guarantee Fit
$378.95
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DrySeries : SP SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Synthetic FilterWarranty : Lifetime Injen limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, Carbon Black, Bisphenol A/Epichclorohydrin Polymer, Cobalt, Antimony [Oxide], Arsenic, Beryllium, Chromium (hexavalent), Cobalt, Cadmium, Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to Color Finish : Red

K&N Cold Air Intake - Premium High Flow, Lifetime Washable Filter, Guaranteed Horsepower Increase - 69-8007TWR
Part Number: K33698007TWR
Vehicle Info Required to Guarantee Fit
$399.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : OiledSeries : 69 Series Typhoon SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Cotton Gauze FilterWarranty : 10-year or 1 million-mile K&N limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Color Finish : Red
21-863WR Dryflow Series Cold Air Intake, Dry Aluminum Tube
Part Number: A1821863WR
Vehicle Info Required to Guarantee Fit
$399.99
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DrySeries : Dryflow SeriesQuantity Sold : Sold individuallyTube Material : Aluminum TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Non-woven SyntheticAdvertised Power Gains : 16.5 HP @ 5224 RPMWarranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

21-478WR Cold Air Intake, Dry Aluminum Tube
Part Number: A1821478WR
Vehicle Info Required to Guarantee Fit
$399.99
Product Details
Emissions : 50-State LegalAir Filter Type : DryQuantity Sold : Sold individuallyTube Material : Aluminum TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Synthetic FilterEO Number : EO Number: D-670-21Warranty : Lifetime AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

EVO1206 EVO Series Cold Air Intake, Dry Plastic Tube
Part Number: I24EVO1206
Vehicle Info Required to Guarantee Fit
$440.95
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Air Filter Type : DrySeries : EVO SeriesQuantity Sold : Sold individuallyTube Material : Plastic TubeType : With TubeRecommended Use : Performance ReplacementProduct Fit : Direct FitAir Filter Material : Synthetic FilterWarranty : 1-year Injen limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, Carbon Black, Bisphenol A/Epichclorohydrin Polymer, Cobalt, Antimony [Oxide], Arsenic, Beryllium, Chromium (hexavalent), Cobalt, Cadmium, Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to Color Finish : Black

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Must-Have Upgrades Inspired by “Fast & Furious” CarsJust make sure to abide by the emissions rules where you live, or you can end up paying hefty fines for modifying the engine. Our Top Picks: K&N Cold Air Intake aFe TR-4304P Takeda Retain Stage 2 Cold Air Intake Injen PF9015WB PF Series Cold Air Intake
Best Cold Air Intakes To Improve Your Engine’s Performance
Best Cold Air Intakes To Improve Your Engine’s PerformanceCooler air is denser, which means the air can expand more when it’s superheated during combustion, resulting in more power. At the same time, denser air contains more oxygen, which further aids combustion.