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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
aFe — Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Filter
32 In Stock

aFe

Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Filter

SKU: 54-13063R

$387.00
Radium Engineering — FUEL FILTER, STAINLESS, 10 MICRON
32 In Stock

Radium Engineering

FUEL FILTER, STAINLESS, 10 MICRON

SKU: 20-0220-03

$137.70$144.95Save 5%
K&N Engineering — Replacement Air Filter
31 In Stock

K&N Engineering

Replacement Air Filter

SKU: 33-2129

$55.19
K&N Engineering — Replacement Air Filter
31 In Stock

K&N Engineering

Replacement Air Filter

SKU: 33-2247

$55.19
K&N Engineering — Universal Round Straight Air Filters Universal Clamp-On Air Filter
31 In Stock

K&N Engineering

Universal Round Straight Air Filters Universal Clamp-On Air Filter

SKU: RU-1770

$42.39
K&N Engineering — Air Filter Oil - 1 gal Air Filter Oil-1 gal
31 In Stock

K&N Engineering

Air Filter Oil - 1 gal Air Filter Oil-1 gal

SKU: 99-0551

$39.99
COBB — Cobb Subaru Post MAF Hose - Stealth Black
31 In Stock

COBB

Cobb Subaru Post MAF Hose - Stealth Black

SKU: 712010-BK

$95.00
K&N Engineering — Replacement Fuel Filter
31 In Stock

K&N Engineering

Replacement Fuel Filter

SKU: 81-0301

$5.99
Fuelab — In-Line Fuel Filter, 6 micron
31 In Stock

Fuelab

In-Line Fuel Filter, 6 micron

SKU: 81832-1

$197.00
K&N Engineering — Universal Clamp-On Air Filter
31 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-1009

$63.19
Injen — Red Hydroshield - Red Pre-Filter
31 In Stock

Injen

Red Hydroshield - Red Pre-Filter

SKU: 1033RED

$30.56
K&N Engineering — Filter Care Service Kit - Squeeze Black Filter Care Service Kit-Squeeze Black
31 In Stock

K&N Engineering

Filter Care Service Kit - Squeeze Black Filter Care Service Kit-Squeeze Black

SKU: 99-5050BK

$23.99
K&N Engineering — Replacement Air Filter
31 In Stock

K&N Engineering

Replacement Air Filter

SKU: E-0636

$83.99
aFe — Momentum GT Cold Air Intake System w/ Pro 5R Filter
31 In Stock

aFe

Momentum GT Cold Air Intake System w/ Pro 5R Filter

SKU: 50-70100R

$556.00
aFe — Momentum GT Cold Air Intake System Red w/ Pro DRY S Filter
31 In Stock

aFe

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

SKU: 51-76003-R

$545.00
COBB — Cobb 15-21 Subaru WRX CAN Fuel Pressure Sensor Kit
31 In Stock

COBB

Cobb 15-21 Subaru WRX CAN Fuel Pressure Sensor Kit

SKU: 344750

$275.00
aFe — aFe POWER Carbon Cabin Air Filter
31 In Stock

aFe

aFe POWER Carbon Cabin Air Filter

SKU: 35-10030C

$34.00
COBB — Cobb Subaru Throttle Body Coupler
31 In Stock

COBB

Cobb Subaru Throttle Body Coupler

SKU: 712455

$55.00
aFe — Magnum FORCE Intake Replacement Air Filter w/ Pro 5R Media
31 In Stock

aFe

Magnum FORCE Intake Replacement Air Filter w/ Pro 5R Media

SKU: 24-91064

$91.00
Airaid — AIRAID Throttle Body Spacer
31 In Stock

Airaid

AIRAID Throttle Body Spacer

SKU: 200-586

$157.99
aFe — Momentum GT Cold Air Intake System w/ Pro 5R Filter
30 In Stock

aFe

Momentum GT Cold Air Intake System w/ Pro 5R Filter

SKU: 54-76206-1

$451.00
Injen — Technology SuperNano-Web Air Filter SuperNano-Web Dry Air Filter
30 In Stock

Injen

Technology SuperNano-Web Air Filter SuperNano-Web Dry Air Filter

SKU: X-1078-BB

$82.63
Injector Dynamics — Injector Dynamics Universal Fuel USCAR Injector Female Connector Kit
30 In Stock

Injector Dynamics

Injector Dynamics Universal Fuel USCAR Injector Female Connector Kit

SKU: 93.0

$6.93
aFe — Magnum FLOW Universal Air Filter w/ Pro DRY S Media MagnumFLOW Intake PRO DRY S Air Filter
30 In Stock

aFe

Magnum FLOW Universal Air Filter w/ Pro DRY S Media MagnumFLOW Intake PRO DRY S Air Filter

SKU: 21-45507

$85.00
K&N Engineering — Cabin Air Filter
30 In Stock

K&N Engineering

Cabin Air Filter

SKU: VF2071

$38.39
Snow Performance — Snow Performance Multi-Pump Relay Module Relay Module
30 In Stock

Snow Performance

Snow Performance Multi-Pump Relay Module Relay Module

SKU: SNF-20003

$272.87$382.02Save 28%
Banks Power — Monster-Ram Intake and Killer Grid Heater Upgrade
30 In Stock

Banks Power

Monster-Ram Intake and Killer Grid Heater Upgrade

SKU: 42797-B

$748.00$831.11Save 9%
K&N Engineering — Replacement Industrial Air Filter
30 In Stock

K&N Engineering

Replacement Industrial Air Filter

SKU: E-4665

$52.99
K&N Engineering — Replacement Air Filter
30 In Stock

K&N Engineering

Replacement Air Filter

SKU: 33-5010

$83.99
K&N Engineering — Universal Clamp-On Air Filter
29 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-2800

$55.19
Cometic Gasket — Chrysler SR I/SR II Viper Intake Manifold Gasket Set
29 In Stock

Cometic Gasket

Chrysler SR I/SR II Viper Intake Manifold Gasket Set

SKU: C5827-039

$22.80$25.34Save 10%
Spectre — Breather Filter
29 In Stock

Spectre

Breather Filter

SKU: 3992

$13.99
AEM Induction — AEM Cold Air Intake System Cold Air Intake System
29 In Stock

AEM Induction

AEM Cold Air Intake System Cold Air Intake System

SKU: 21-640C

$369.99
DeatschWerks — 255lph in-tank fuel pump w/ 9-0836 install kit DW200 Fuel pump for NA Miata
29 In Stock

DeatschWerks

255lph in-tank fuel pump w/ 9-0836 install kit DW200 Fuel pump for NA Miata

SKU: 9-201-0836

$109.00
AEM Induction — Universal Race Dry Flow Clamp-On
29 In Stock

AEM Induction

Universal Race Dry Flow Clamp-On

SKU: 21-201D-XK

$79.99
Injen — Polished SP Short Ram Intake System Short Ram Air Intake System
29 In Stock

Injen

Polished SP Short Ram Intake System Short Ram Air Intake System

SKU: SP3009P

$339.14
K&N Engineering — Universal Clamp-On Air Filter
29 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-1041

$63.19
Banks Power — Monster-Ram Intake and Killer Grid Heater Upgrade
29 In Stock

Banks Power

Monster-Ram Intake and Killer Grid Heater Upgrade

SKU: 42799-PC

$748.00$831.11Save 9%
Vibrant — 4 Ply Silicone Sleeve Coupler, 2.5" ID x 3" Long - Black Straight Hose Coupler, 2.50" I.D. x 3.00" long - Black Straight Hose Coupler
29 In Stock

Vibrant

4 Ply Silicone Sleeve Coupler, 2.5" ID x 3" Long - Black Straight Hose Coupler, 2.50" I.D. x 3.00" long - Black Straight Hose Coupler

SKU: 2710

$14.79$19.79Save 25%
Volant — Cold Air Intake Kit
29 In Stock

Volant

Cold Air Intake Kit

SKU: 161576

$425.99
K&N Engineering — Fuel Filter
29 In Stock

K&N Engineering

Fuel Filter

SKU: PF-2100

$19.99
Ford Racing — 60 LB/HR Fuel Injector Set Fuel Injector Set
29 In Stock

Ford Racing

60 LB/HR Fuel Injector Set Fuel Injector Set

SKU: M-9593-LU60

$725.00
AEM — AEM 400LPH (Metric) Inline High Flow Fuel Pump 400lph Inline Hi Flow Fuel Pump
28 In Stock

AEM

AEM 400LPH (Metric) Inline High Flow Fuel Pump 400lph Inline Hi Flow Fuel Pump

SKU: 50-1009

$199.95$224.95Save 11%
COBB — Cobb 19-21 Subaru STI / STI Type RA Airbox
28 In Stock

COBB

Cobb 19-21 Subaru STI / STI Type RA Airbox

SKU: 716100

$290.00
aFe — Magnum FORCE Intake Replacement Air Filter w/ Pro 5R Media MagnumFLOW Intake PRO 5R Air Filter
28 In Stock

aFe

Magnum FORCE Intake Replacement Air Filter w/ Pro 5R Media MagnumFLOW Intake PRO 5R Air Filter

SKU: 24-90061

$62.00
aFe — A/F P5R; 4 F x 8-1/2 B x 8-1/2 T (Inv) x 11 H in Magnum FLOW Universal Air Filter w/ Pro 5R Media
28 In Stock

aFe

A/F P5R; 4 F x 8-1/2 B x 8-1/2 T (Inv) x 11 H in Magnum FLOW Universal Air Filter w/ Pro 5R Media

SKU: 24-91042

$104.00
K&N Engineering — Universal Clamp-On Air Filter
28 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RG-1001BL

$33.59
Injen — Wrinkle Black SP Short Ram Air Intake System Short Ram Air Intake System
28 In Stock

Injen

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

SKU: SP1122WB

$525.32
K&N Engineering — Universal Clamp-On Air Filter
28 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-2960

$63.19
aFe — Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media (Pair)
28 In Stock

aFe

Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media (Pair)

SKU: 31-10273-MA

$134.00
aFe — Takeda Momentum Cold Air Intake System w/ Pro 5R Filter
28 In Stock

aFe

Takeda Momentum Cold Air Intake System w/ Pro 5R Filter

SKU: 56-70038R

$522.00
aFe — Takeda Momentum Cold Air Intake System Red w/ Pro DRY S Filter
28 In Stock

aFe

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

SKU: 56-70021DR

$435.00
K&N Engineering — NextGen Cold Air Intake - CHEV./GMC 1500 V8-5.3/6.2L
28 In Stock

K&N Engineering

NextGen Cold Air Intake - CHEV./GMC 1500 V8-5.3/6.2L

SKU: 50-3082

$425.99
DeatschWerks — 2016-25 Civic, Type-R, 2018-25 Acord, 2016-20 MX-5, DW430c, 430LPH
28 In Stock

DeatschWerks

2016-25 Civic, Type-R, 2018-25 Acord, 2016-20 MX-5, DW430c, 430LPH

SKU: 9-437-1059

$219.00
Perrin Performance — PERRIN Subaru BRZ/Scion FR-S Cone Filter w/3.125in Mouth (For Intakes INT-330/-333/-334/-335)
28 In Stock

Perrin Performance

PERRIN Subaru BRZ/Scion FR-S Cone Filter w/3.125in Mouth (For Intakes INT-330/-333/-334/-335)

SKU: X-PSP-INT-332

$79.05$93.00Save 15%
Aeromotive — A1000-6 Injected Bypass Regulator
28 In Stock

Aeromotive

A1000-6 Injected Bypass Regulator

SKU: 13109

$243.23
Aeromotive — Extreme Flow 2-Port EFI Regulator
28 In Stock

Aeromotive

Extreme Flow 2-Port EFI Regulator

SKU: 13134

$323.90
Mishimoto — Straight Coupler, Black, Silicone, 2.50in Mishimoto 2.5" Straight Coupler
27 In Stock

Mishimoto

Straight Coupler, Black, Silicone, 2.50in Mishimoto 2.5" Straight Coupler

SKU: MMCP-25SBK

$11.95$13.00Save 8%
Injen — Polished SP Short Ram Intake System Short Ram Air Intake System
27 In Stock

Injen

Polished SP Short Ram Intake System Short Ram Air Intake System

SKU: SP1574P

$444.00
Spectre — Coupler Reducer
27 In Stock

Spectre

Coupler Reducer

SKU: 8751

$13.99
Injen — Wrinke Red SP Short Ram Air Intake System Short Ram Air Intake System
27 In Stock

Injen

Wrinke Red SP Short Ram Air Intake System Short Ram Air Intake System

SKU: SP1350WR

$758.58
DeatschWerks — 255lph in-tank fuel pump w/ 9-1031 install kit DW200 Fuel pump for BMW E36
27 In Stock

DeatschWerks

255lph in-tank fuel pump w/ 9-1031 install kit DW200 Fuel pump for BMW E36

SKU: 9-201-1031

$109.00
aFe — Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media MagnumFLOW OE Replacement PRO DRY S Air Filter
27 In Stock

aFe

Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media MagnumFLOW OE Replacement PRO DRY S Air Filter

SKU: 31-10195

$157.00
Mishimoto — Straight Transition Coupler, Blue, Silicone, 2.25in to 2.50in Mishimoto 2.25" to 2.5" Silicone Transition Coupler
27 In Stock

Mishimoto

Straight Transition Coupler, Blue, Silicone, 2.25in to 2.50in Mishimoto 2.25" to 2.5" Silicone Transition Coupler

SKU: MMCP-22525BL

$11.95$13.00Save 8%
K&N Engineering — Universal Clamp-On Air Filter
27 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-4740

$55.19
BLOX Racing — BLOX Racing 3.5inch Composite Velocity Stack - Black
27 In Stock

BLOX Racing

BLOX Racing 3.5inch Composite Velocity Stack - Black

SKU: BXIM-00312-BK

$47.00
K&N Engineering — Vent Air Filter/ Breather Vent Air Filter/Breather
27 In Stock

K&N Engineering

Vent Air Filter/ Breather Vent Air Filter/Breather

SKU: 62-1450

$36.99
aFe — Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Filter AIS P5R; BMW 3-Series (E36) 92-99 L6 (US)
27 In Stock

aFe

Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Filter AIS P5R; BMW 3-Series (E36) 92-99 L6 (US)

SKU: 54-12392

$387.00
K&N Engineering — Universal Clamp-On Air Filter
27 In Stock

K&N Engineering

Universal Clamp-On Air Filter

SKU: RU-1036

$63.19
Wehrli — Air Filter, Dry, 5" Inlet, For use with WCFab Kits
27 In Stock

Wehrli

Air Filter, Dry, 5" Inlet, For use with WCFab Kits

SKU: WCF100719

$72.75$75.00Save 3%
aFe — aFe POWER Dynamic Air Scoop D.A.S. Black
27 In Stock

aFe

aFe POWER Dynamic Air Scoop D.A.S. Black

SKU: 54-13056S

$60.00
AirDog — PureFlow AirDog 01-10 Chevrolet 6.6L Duramax FP-100-4G Fuel Air Separation System
27 In Stock

AirDog

PureFlow AirDog 01-10 Chevrolet 6.6L Duramax FP-100-4G Fuel Air Separation System

SKU: A4SPBC185

$738.00$761.00Save 3%
K&N Engineering — Performance Air Intake System
27 In Stock

K&N Engineering

Performance Air Intake System

SKU: 63-3122

$317.99
aFe — Momentum GT Cold Air Intake System w/ Pro DRY S Filter
27 In Stock

aFe

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

SKU: 50-70127D

$420.00
Airaid — AIRAID Throttle Body Spacer
27 In Stock

Airaid

AIRAID Throttle Body Spacer

SKU: 350-532

$157.99