Grams Performance 3.15in to 3.00in Silicone Reinforced Reducer Coupler for 72mm Throttle Body 06-11 Honda Civic SI

$11.99

BLOX Racing TPS Version 2 06-11 Honda Civic SI

$79.20

BLOX Racing TPS 06-11 Honda Civic Si

$65.60

K-TUNED 4 Bar Map Sensor K Series (Except K24Z) 06-11 Honda Civic SI

$109.99

K-Tuned Map Port Plug K Series 06-11 Honda Civic SI

$13.99

BLOX Racing K-Series Tuner Series 72mm Cast Aluminum Throttle Body 06-11 Honda Civic SI

$183.20

BLOX Racing 06-11 Honda Civic Si Dual-pattern K-series 70mm Tuner Series Throttle Body

$183.20

BLOX Racing Honda K-Series Competition 74mm Bore Throttle Body 06-11 Honda Civic SI w/RBC Manifold

$266.40

BLOX Racing 70mm Billet Throttle Body K Series 06-11 Honda Civic SI

$266.40

BLOX Racing 72mm Billet Throttle Body K Series 06-11 Honda Civic SI

$266.40

BLOX Racing 06-11 Honda Civic Si DBW 72mm Billet Throttle Body

$404.00

K-Tuned Drive By Throttle Body 72mm 06-11 Honda Civic SI

from $389.99

K-Tuned Throttle Body 80mm (K Series)

$349.99

sale

PLM Throttle Body 72MM Honda K-Series RBC RRC Dual Bolt Pattern 06-11 Honda Civic SI

$150.00 $249.00

sale

Skunk2 72MM Electronic Throttle Body 06-11 Honda Civic SI

$398.95

BLOX Racing 70mm / 72mm Billet Throttle Body Gasket (for K-series)

$12.00

Skunk2 Thermal Throttle Body Gasket - Pro 70mm - K (PRB) Series

$18.95

BLOX Racing Honda K-Series 62.5mm Bore Throttle Body Adapter for RBC Manifold 06-11 Honda Civic SI 2.0L

$50.40

BLOX Racing Honda K-Series 70mm Bore Throttle Body Adapter for RBC Manifold 06-11 Honda Civic SI 2.0L

$50.40

BLOX Racing Honda K2B Billet Throttle Body Adapter 06-11 Honda Civic SI

$48.00

Hybrid Racing RBC Thermal Throttle Body Gasket 06-11 Honda Civic Si

$24.99

Hybrid Racing PRB-TO-ZDX Throttle Body Adapter

$109.99

Hybrid Racing TB RBC Adapter Stock 06-08 Honda Civic SI

$69.98

Hybrid Racing ZDX Throttle Body Adapter 06-11 Honda Civic SI

$109.99

K-Tuned Throttle Body Heat Shield Gasket ZDX (Black)

$19.99

K-Tuned ZDX Throttle Body Adapter RBC/RRC Bolt Pattern

$119.99

Precision Works K-Series RBC PRB Nitrous NOS Spray Plate 70mm 72mm 74mm K20 K24 06-11 Honda Civic SI

from $99.00

sale

Precision Works RBC RRC Dual Throttle Body Adapter K20 K24 62 70mm

$55.00 $69.00

sale

Skunk2 06-11 Honda Civic 90mm K Series Throttle Body Adapter

$73.77

Mishimoto 06-11 Honda Civic Si Silicone Induction Hose Kit

$158.95

AEM 06-11 Honda Civic 1.8L L4 DryFlow Air Filter

$59.99

aFe MagnumFLOW Air Filters OER P5R A/F P5R 06-11 Honda Civic SI L4-2.0L

$70.00

aFe MagnumFLOW Air Filters OER PDS A/F PDS 06-11 Honda Civic SI L4-2.0L

$76.00

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aFe MagnumFLOW Air Filters OER PDS A/F PDS 06-11 Honda Civic 1.8L

$76.00

aFe MagnumFLOW Air Filters OER P5R A/F P5R 06-11 Honda Civic 1.8L

$70.00

K&N 06-11 Honda Civic Hybrid 1.3L-L4 Drop In Air Filter

$68.99

AEM 06-11 Honda Civic SI Cold Air Intake

$349.99

AEM 06-11 Honda Civic Si Short Ram Intake

$249.99

aFe Takeda Intakes Stage-2 PDS AIS PDS 06-11 Honda Civic SI

from $282.00

aFe Takeda Intakes Stage-2 PDS AIS PDS 06-11 Honda Civic L4-1.8L

$323.00

DC Sports Short Ram Intake 06-11 Honda Civic SI

$142.50

DC Sports Short Ram Intake 06-11 Honda Civic DX, LX, EX

$190.00

Hybrid Racing Cold Air Intake Kit 06-11 Honda Civic SI

$389.99

K-Tuned Short Ram Intake 06-11 Honda Civic Si

from $249.99

K-Tuned Cold Air Intake 06-11 Honda Civic Si

from $299.99

HPS Cold Air Intake 06-11 Honda Civic SI

$319.00

HPS Shortram Air Intake Kit Includes Heat Shield 06-11 Honda Civic 1.8L

$282.00

Injen 06-11 Honda Civic SI 4cyl Tuned Air Intake w/ MR Tech/Nano-Fiber Dry Filter

$323.09

Injen 06-11 Honda Civic SI 2.0L 4Cyl. Coupe & Sedan Short Ram Intake

$374.45

Injen 06-11 Honda Civic SI Cold Air Intake

$416.18

Injen 06-11 Honda Civic Ex 1.8L 4 Cyl. (Manual) Cold Air Intake

$442.93

Injen 06-11 Honda Civic Hybrid 1.3L 4 cyl Dyno-Tuned Air Intake w/ Web Nano-Fiber Filter

$327.37

K&N 06-11 Honda Civic SI Silver Typhoon Short Ram Intake

$419.99

Injen Cold Air Intake 06-11 Honda Civic DX/LX/EX (Manual Only)

$442.93

Mishimoto 06-11 Honda Civic SI Performance Air Intake w/ Heat Shield

$371.95

Mishimoto 06-11 Honda Civic SI Performance Air Intake

$240.95

Skunk2 06-11 Honda Civic SI Composite Cold Air Intake

$373.78

sale

PLM Titanium Honda B D F H J K-Series Intake Manifold Stud Kit 06-11 Honda Civic SI

$105.00 $150.00

sale

Skunk2 Pro Series K Series Ultra Race Intake Manifold Runner Adaptor Gasket 06-11 Honda Civic SI

$23.70

Skunk2 Honda and Acura Ultra Street Manifold Plenum Gasket - B/K

$23.70

BLOX Racing Thermal Shield Gasket 06-11 Honda Civic SI

$38.40

Skunk2 Ultra Street Manifold Hardware Kit - K Series 06-11 Honda Civic SI

$115.19

Skunk2 Ultra Race K Series Manifold Hardware Kit 06-11 Honda Civic SI

$115.19

Hybrid Racing Intake Manifold Gasket 06-11 Honda Civic SI

$39.99

Hybrid Racing Honda RBC Manifold 17100-RRB-A00 06-11 Honda Civic Si

$599.00

Hybrid Racing K-Swap RBC Intake Manifold Package (K20Z3/K24)

$672.30

Skunk2 Ultra Race Series Centerfeed Plenum - 06-11 Honda Civic SI

$367.03

Skunk2 Pro Series 06-11 Honda Civic SI (K20Z3) Intake Manifold (Race Only)

$496.42

Skunk2 Pro Series 06-11 Honda Civic SI (K20Z3) Intake Manifold (Race Only) (Black Series)

$534.80

Skunk2 Ultra Race Billet Runners w/Fuel Rail Honda K20/K24 06-11 Honda Civic SI

$1,520.05

Skunk2 Ultra Race Billet Centerfeed Intake Manifold - Honda K20/K24 06-11 Honda Civic SI

$1,757.55

Skunk2 Ultra Race Billet Side Feed Intake Manifold - Honda K20/K24 06-11 Honda Civic SI

$1,757.55

Weapon R 06-11 Honda Civic SI Race Sheetmetal Intake Manifold

$670.24

Weapon R 06-10 Honda Civic 1.8L non SI Intake Manifold

$670.24