Instruction Manual P/N: 12559007 Make: Honda Model: Civic Si Year: 2006-2011 Engine: L4-2.
• Please read the entire instruction manual before proceeding. • Ensure all components listed are present. • If you are missing any of the components, call customer support at 951-493-7100 • Ensure you have all necessary tools before proceeding. • Do not attempt to work on your vehicle when the engine is hot. • Disconnect the negative battery terminal before proceeding. Label A B C D E F G H I J K L M N O Qty. 1 1 1 1 1 1 1 1 1 2 2 1 1 1 2 Description Pro Dry S Air Filter Intake Tube Hose, 5/8" (18.
B A C D H E I F J G K M L M N O N O Page 3 GReddy.
1 Figure A Refer to Figure A for steps 1-5 Step 1: Unplug the harness from the MAF sensor 1 Step 2: Remove the three 10mm nuts from the stock air box Step 3: Unplug the two vacuum lines from the stock intake Step 4: Loosen the clamp on the coupler connected to the throttle body w/Phillip’s screwdriver Step 5: Remove the stock air box and tube Page 4
INSTALLATION 1 Figure B Refer to Figure B for step 6 Step 6: Be sure the vehicle is cold. Loosen the radiator cap and then remove entire crank case and coolant plenum line 1 (see inset) Tighten the radiator cap back on Page 5 GReddy.
E Figure C Refer to Figure C for step 7 Step 7: Replace the coolant line with the supplied heater hose E Be sure to tighten each end with a 004 mini clamp K Page 6
Figure D Refer to Figure D for step 8 Step 8: Remove the battery and battery tray from the vehicle. Be sure to have your radio code so that you can enter the code once you reinstall the battery. Be sure to use all precautions as stated in your vehicle owner’s manual in reference to the battery Page 7 GReddy.
3 1 Figure E Refer to Figure E for steps 9-11 Step 9: Remove the positive wiring clip off of the bracket 1 Step 10: Loosen the bolt connecting the bracket with the OE tube 2 Step 11: Remove the two bolts on the bracket 3 and remove bracket Page 8 2
Figure F Refer to Figure F for step 12 Step 12: Remove seven plastic clips from lower facial (bumper) valance (drivers side) the one on the very end uses a 10mm socket to remove. Page 9 GReddy.
Figure G Refer to Figure G for step 13 Step 13: Remove five plastic clips on the driver side wheel well using a flat-head screwdriver.
Figure H Refer to Figure H for step14 Step 14: Remove the two 10mm bolts/screws from the resonator then remove the resonator assembly Page 11 GReddy.
M Figure I Refer to Figure I for step 15 Step 15: Screw in the isolation mount M where the stock bolt was located on the OE resonator tube Page 12
Figure J Refer to FigureJ for step 16-17 Step 16: Remove the MAF sensor from the OE intake and place it into the GReddy intake tube. Using the (2) provided M4 screws O , hand tighten both at the same time, then tighten fully Step 17: Before installing the GReddy tube, place the rubber trim on the frame of the vehicle as shown above (see inset) Page 13 GReddy.
I D H C J K L N Figure K Refer to Figure K for step 18-21 Step 18: Place the 044 I and 048 H clamps onto the coupler and then place onto the throttle body. Do not tighten at this time Step 19: Slide the plastic bag over the GReddy intake tube so that you don’t scratch it.
Figure L Refer to Figures K & L for steps 22-26 Step 22: Connect the vacuum hose C from the GReddy tube to the crank case. Use the clamp J to tighten on the intake side Step 23: Connect the vacuum hose D from the GReddy tube to the vacuum port. Use the clamp K to tighten on the intake side Step 24: Install the pre-filter onto the filter. Step 25: Install the filter onto the GReddy tube. Do not push the filter too far onto the tube.
Pro DRY S Air Filter P/N: TF-9011D To purchase any of the items above, view airflow charts, dyno graphs, photos, and video, please go to GReddy.com.
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GReddy Performance Products 9 Vanderbilt, Irvine CA 92618 TEL: 949.588.8300 • E-Mail:Tech@GReddy.
