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Air & Fuel Delivery

22,610 total items

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Vibrant — Crankcase Breather Filter - 35mm Filter OD, 5/8" (15mm) Inlet I.D., 1.5" Tall Crankcase Breather Filter, 5/8" Inlet I.D. Crankcase Breather Filter
35 In Stock

Vibrant

Crankcase Breather Filter - 35mm Filter OD, 5/8" (15mm) Inlet I.D., 1.5" Tall Crankcase Breather Filter, 5/8" Inlet I.D. Crankcase Breather Filter

SKU: 2139

$11.50$15.50Save 25%
AEM Induction — AEM Cold Air Intake System Cold Air Intake System
34 In Stock

AEM Induction

AEM Cold Air Intake System Cold Air Intake System

SKU: 21-764C

$369.99
Perrin Performance — PERRIN 15-21 Subaru WRX Cold-Air Intake w/Heatshield - Red
34 In Stock

Perrin Performance

PERRIN 15-21 Subaru WRX Cold-Air Intake w/Heatshield - Red

SKU: PSP-INT-325RD

$399.50$470.00Save 15%
K&N Engineering — Performance Air Intake System
34 In Stock

K&N Engineering

Performance Air Intake System

SKU: 57-1566

$317.99
aFe — MagnumSHIELD Pre Filter; Air Filter Wrap Magnum SHIELD Pre-Filter
34 In Stock

aFe

MagnumSHIELD Pre Filter; Air Filter Wrap Magnum SHIELD Pre-Filter

SKU: 28-10013

$38.00
AirDog — PureFlow AirDog II-5G 01-10 Chevrolet 6.6L Duramax DF-165-5G Fuel Air Separation System
34 In Stock

AirDog

PureFlow AirDog II-5G 01-10 Chevrolet 6.6L Duramax DF-165-5G Fuel Air Separation System

SKU: A7SABC509

$866.00$892.00Save 2%
Airaid — AIRAID Throttle Body Spacer
34 In Stock

Airaid

AIRAID Throttle Body Spacer

SKU: 300-560

$146.99
K&N Engineering — Universal Clamp-On Air Filter
33 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-5111

$42.39
Injen — Red Hydroshield - Red Pre-Filter
33 In Stock

Injen

Red Hydroshield - Red Pre-Filter

SKU: 1035RED

$30.56
K&N Engineering — Universal Clamp-On Air Filter Multi Lingual
33 In Stock

K&N Engineering

Universal Clamp-On Air Filter Multi Lingual

SKU: RG-1003RD-L

$33.59
Injector Dynamics — Injector Dynamics ID1050X Injectors WRX-16B Bottom Adaptors 11mm (Red) Adaptors (Set of 4)
33 In Stock

Injector Dynamics

Injector Dynamics ID1050X Injectors WRX-16B Bottom Adaptors 11mm (Red) Adaptors (Set of 4)

SKU: 1050.48.11.WRX.4

$600.60
Injector Dynamics — Injector Dynamics - 1050cc Injectors 60mm Length 14mm Grey Adaptor Top - Blue Bottom Adap (Set of 8)
33 In Stock

Injector Dynamics

Injector Dynamics - 1050cc Injectors 60mm Length 14mm Grey Adaptor Top - Blue Bottom Adap (Set of 8)

SKU: 1050.60.14.14B.8

$1,247.40
K&N Engineering — HVAC FILTER; 16 X 25 X 1, MERV 11
33 In Stock

K&N Engineering

HVAC FILTER; 16 X 25 X 1, MERV 11

SKU: HVC-11625

$59.99
Injen — Black SP Short Ram Intake System Short Ram Air Intake System
33 In Stock

Injen

Black SP Short Ram Intake System Short Ram Air Intake System

SKU: SP1387BLK

$388.36
Injector Dynamics — Injector Dynamics 11mm Top O-Ring (for ID Adapter Tops)
33 In Stock

Injector Dynamics

Injector Dynamics 11mm Top O-Ring (for ID Adapter Tops)

SKU: 92.8

$1.16
COBB — Cobb 02-07 Subaru WRX / 04-07 STi / 04-08 FXT SF Airbox Kit
33 In Stock

COBB

Cobb 02-07 Subaru WRX / 04-07 STi / 04-08 FXT SF Airbox Kit

SKU: 712160

$205.00
K&N Engineering — Custom Racing Assembly
33 In Stock

K&N Engineering

Custom Racing Assembly

SKU: 56-1630

$119.99
aFe — Momentum GT Cold Air Intake System Red w/ Pro DRY S Filter
33 In Stock

aFe

Momentum GT Cold Air Intake System Red w/ Pro DRY S Filter

SKU: 50-70013DR

$545.00
aFe — Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media & Foam Pre-Filter MagnumFLOW OE Replacement PRO 5R Air Filter
32 In Stock

aFe

Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media & Foam Pre-Filter MagnumFLOW OE Replacement PRO 5R Air Filter

SKU: 30-10102

$125.00
Injen — Black SP Short Ram Air Intake System Short Ram Air Intake System
32 In Stock

Injen

Black SP Short Ram Air Intake System Short Ram Air Intake System

SKU: SP1121BLK

$492.15
K&N Engineering — Universal Clamp-On Air Filter
32 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-3020

$55.19
K&N Engineering — Performance Air Intake System
32 In Stock

K&N Engineering

Performance Air Intake System

SKU: 69-9505T

$369.99
COBB — Cobb 02-07 WRX/STi Black SF Intake
32 In Stock

COBB

Cobb 02-07 WRX/STi Black SF Intake

SKU: 712100

$290.00
Victor Reinz — Engine Intake Manifold Gasket Set
32 In Stock

Victor Reinz

Engine Intake Manifold Gasket Set

SKU: MS19879

$80.05
COBB — Cobb 08-21 Subaru STI Fuel Rails
32 In Stock

COBB

Cobb 08-21 Subaru STI Fuel Rails

SKU: 343150

$300.00