STI Front Under Spoiler – 2025 Subaru Forester

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Front bumper
STI FT SPOILER
– Install the STI FT SPOILER by reading the Installation Manual carefully.
– Handle the STI FT SPOILER with care and do not let it fall.
– Do not install or use this product in any way other than described in this manual.
– We do not assume any responsibility for any trouble arising from failure to comply with the
instructions in this manual.
– Double-sided tape is used to attach the STI FT SPOILER.
Attach it with care as once it is attached, it is extremely difficult to remove.
-1-
STI FT SPOILER
Installation Manual
△00
– This manual describes how to install and handle the STI FT SPOILER.
– Read this manual carefully before work and make sure to install it correctly.
！ △ Precautions
Installation Completion Illustration
Genuine part number : E2410SL000 STI FT SPOILER(Black)
E2410SL010 STI FT SPOILER(Cherry Red)
Applicable model : 　　　FORESTER(SL) TYPE A～
Components
Tools
Before Work
No. Part Name Qty
Front Spoiler
2
– Make sure to check the components below before installation.
– When installing this product, park the car on a level ground and apply the parking brake.
– When installing this product, be sure not to damage the car body.
– Before installing this product, wipe off any dirt or oil film from the Front bumper attachment surface
with a soft waste cloth dampened in a neutral detergent. Then, let it dry completely before work.
– The adhesive strength is weakened significantly when the temperature is 15 or low.In this case,
use a dryer to warm the double-sided tape before attachment.
(Do not warm up excessively as doing so may result in deformation.)
– Be extremely careful not to let this product get wet by washing, etc. for 24 hours after attaching it.
Dosing so may cause the product to come off.
– To protect yourself from burns, make sure to stop the engine and let it cool completely before work
– When jacking up the vehicle, be sure to keep the ground level and a hard place where the jack does
not bite, and be sure to support it with a rigid rack before carrying out the work.
– All pictures in this book are from the LH side. Do the same thing on the RH side.
Clip
2
13
2
Bolt
Wellnut
Tapping screw 2
1
– E2410SL001 : Parts set
Masking tape
Drill 3mm 6mm 9.5mm
Needle
Clean cloth
Degreasing agent (recommended nonane) Gloves
Sandpaper
Phillips screwdriver
Torque wrench
Low head Phillips screwdriver Protective eyewear
Cloth adhesive tape
Clip remover
13
1
Pattern paper A to E 8 pieces set
Washer
J nut
1. Drill holes in the Front Bumper
Installation procedure
(1) Remove the vehicle clip on the bottom of the
Front bumper (1 places on one side) as
shown in Fig 1.
(1 places each for LH and RH, 2 places in total)
CAUTION
Do not reuse the removed vehicle clip.
Be sure to use the supplied clips.
Front bumper
Bottom view LH
Remove the
Vehicle clip
Front bumper
wheel arch surface LH
Front bumper
Bumper guard
Remove the
Vehicle clip
(2) Remove the vehicle clip that attaches the
Bumper guard on the wheel arch side
(1 places on one side) as shown in Fig 1.
(1 places each for LH and RH, 2 places in total)
Bottom view
Pattern
paper A
Pattern
paper E LH
Pattern
paper D LH
Pattern
paper C LH Pattern
paper B
Pattern
paper C RH
Pattern
paper D RH
Pattern
paper E RH
Detail view a
Match the shape
of the bumper
Pattern
paper A Marking position
Detail view c
Perform the same procedure
on the RH side.
Match the shape
Marking
position
Pattern
paper C LH Marking position
Detail view b
Match the shape
of the bumper
Pattern
paper B
Detail view e
of the bumper
Perform the same procedure
on the RH side.
of the bumper
Marking
position
Pattern
paper E LH
Detail view d
Perform the same procedure
on the RH side.
Match the shape
paper D LH of the bumper
Marking
position
(3) As shown in Fig 2, Pattern paper A to E
on the bottom of the Front bumper, secure with
masking tape, etc., and mark the center of the
hole with a scriber, etc.
( Pattern paper A 2 places
Pattern paper B 1 place
Pattern paper C LH,RH 2 places each
Pattern paper D LH,RH 1 place each
Pattern paper E LH,RH 2 places each
13 places each in total)
Pattern Match the shape
3mm 6mm 9.5mm
Bottom view LH
(4) Remove Pattern paper A to E and use
a drill to drill holes in the center of the positions
marked in (3).
Drill pilot holes in the order of 3mm, 6mm,
and finally 9.5mm as shown in Fig 3.
CAUTION
Drill
cloth adhesive tape
To prevent the drill from interfering with other
parts when drilling, make a stoppe r with cloth
adhesive tape, etc., at a point about 5 mm
from the tip of the drill before working.
(1 place in the center
6 places each for LH and RH
13 places in total)
CAUTION
After drilling, remove the burrs around
the hole.
2. Preparation for installation
Bottom view LH
Wellnut
CAUTION
If it is difficult to insert the wellnut, do not
twist it too much and insert it carefully.
(1) Insert the Wellnut into the 9.5 mm hole.
(1 place in the center
6 places each for LH and RH
13 places in total)
Front bumper
Bumper guard
wheel arch surface LH
J nut
Front bumper
Bumper guard
J nut
Mud guard
Front
Align the
J nut holes
(2) Insert the J nut into the Front bumper as
shown in Fig 5.
Align J nut hole with the Front bumper
guard hole.
(1 places each for LH and RH, 2 places in total)
CAUTION
Insert the J nut into the Front bumper body
inside the bumper guard as shown in the
diagram on the left (cross-section of the
J J nut cross section nut section).
Clean with a waste cloth, etc.
Front bumper
If rainwater is attached, wipe it dry with
a dry cloth.
Insufficient wiping and drying can cause
the product to come off.
CAUTION
(3) Clean, degreas, and dry the shaded area of
the Front bumper with a degreasing
agent.
Advice
– Clean the front bumper before work.
– Work indoors at a temperature of 15 or higher.
– If the temperature is less than 15 , please use a hair dryer to warm the adhesive surface
and double-sided tape.(Guideline: 25-40 )
– If air gets between the adhesive surface, the adhesive strength will weaken.
Make sure to crimp it thoroughly.
– Please avoid washing your car for 24 hours after pasting.
3. Installation of Front Spoiler
Masking tape
Front Spoiler
Front Spoiler
Front bumper
Washer
Clip
(1) Peel off about 30mm of the release paper from
double-sided tape attached to the Front
spoiler, fold it back to the surface, and
then attach it to the product surface using
masking tape, etc., as shown in Fig 7.
CAUTION
Do not remove the release paper more than
necessary.
The double-sided tape clings to the peripheral
parts, which makes it difficult to position them.
(2) As shown in Fig 8, align the Front spoiler
to the Front bumper and secure the rear
end of the vehicle with the Washer and
Clip.
(1 places each for LH and RH, 2 places in total)
Phillips screwdriver
Bolt
Front Spoiler
Detail view f
Match the shape
of the bumper
Front Spoiler
Front Spoiler
Bumper guard
Front bumper
apping screw
(3) As shown in Fig 9, align the shaded part
( mark) of the Front spoiler with
the shape of the Front bumper, and temporarily
tighten Bolt.
(1 place in the center
6 places each for LH and RH
13 places in total)
(4) As shown in Fig 10, temporarily tighten the
wheel arch with the tapping Tapping screw.
(1 places each for LH and RH, 2 places in total)
Advice
If you do not have a Low head Phillips
screwdriver, steer the front tire when working.
(5) As shown in Fig 11, press the double-sided tape
while slowly pulling out the release paper in the
direction of the arrow so as not to tear it in the
middle.
When pulling out the release paper, be careful
not to get Front spoiler molding caught
between it and the Front bumper.
Front
bumper
Front
bumper
Front Spoiler Front Spoiler
No
entanglement
entanglement
open
CAUTION
If it is difficult to remove the release paper,
slowly pull it out with needle-nose pliers.ully.
(6) Press the adhesive part of the double-sided
tape with enough force to shake the car.
(50N or more)
Front Spoiler
Front bumper
Hook your finger
on the winding
part and put it back
How to correct when the mall is involved If the molding gets involved, please fix it
while paying attention to the damage to
the double-sided tape.
the bumper and peeling of
the normal position.
If you fix it by hooking your finger on the
winding part, it will return to
Bolt
Front Spoiler
Tapping screw
Low head Phillips screwdriver,
etc.
(7) Fully tighten Bolt that were temporarily
tightened in step (3).
Tightening torque: 1.0N m (0.1kgf m)
(1 place in the center
6 places each for LH and RH
13 places in total)
CAUTION
Reference tightening torque 1.0N
( 0.1kgf )
Please be careful not to overtorque.
Doing so may cause Wellnut to break
or fall off.
Advice
normal state over torque
(8) Fully tighten Tapping screw that was
temporarily tightened in step (4).
Reference tightening torque: 2.0N m
(0.2kgf m)
Advice
If you do not have a Low head Phillips
screwdriver, steer the front tire when working.
(9) Check the mounting part for lifting or tilting,
check that there are no missing clips or bolts,
or forget to tighten them, and finally check
that there are no scratches or dirt.
This is the end of the work.
Newly created document
Revised contents
Details of the work Date
00 30 / Oct / 2023

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