VELOSSA TECH 2015-2021 Subaru WRX STI BIG MOUTH Ram Air Installation Guide
- June 4, 2024
- VELOSSA TECH
Table of Contents
Subaru WRX STI BIG MOUTH Ram Air 2015-2021
2015-2021 Subaru WRX/STI BIG MOUTH Ram Air Installation Guide
Kit Contents (Full Kit)
Please review this document before attempting installation. You will need basic hand tools and 2 hours of installation time.
Kit Contents Qty
M6 x 12mm Cap Screw 1
M6 Washer 3
M6 x 20mm Cap Screw 1
M6 x 3mm Spacer 1
M6 Split Ring Lock Washer 1
M6 Lock Nut 1
Stock Components Removal
It is best to google “how to remove bumper” for your particular trim, after
the bumper is removed, you will see the following.
Remove the plastic trim piece shown.
Stock Components Removal
Remove front cross member.
There are 7 screws on each side of this cross member, remove them
Big Mouth Installation
The BIG MOUTH slides into position as shown, make sure that it is seated
properly over the OEM tab with one hole that is present underneath.
Big Mouth Installation
Be patient with this next step, ensure the bolt, OEM hole and BIG MOUTH
fastening point are all lined up, feel for thread engagement and slowly begin
to thread the bolt into the BIG MOUTH.
Patience is key, reverse rotation of the bolt until you hear it click/step
down
from the first thread under the BIG MOUTH, then begin to tighten.
Big Mouth Installation
Once the BIG MOUTH is seated properly and screwed down, you may re-
install the OEM cross member, ensure that the sides of the cross-member tuck
behind the flaps behind the headlights before screwing together.
Final Assembly Review
Review the install and make sure nothing is binding or causing any preload on
any parts, ensure that screws are tight and that your hood can close properly.
Re-assemble the bumper the same way it was removed to complete installation.
Re-assemble the bumper the same way it
was removed to complete installation.