VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel Installation Guide

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VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram
Air Intake Snorkel Installation Guide

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel 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.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Kit Contents (Full Kit)

Kit Contents (LIT Flare Only)

Please review the table below and make sure you have received the kit contents.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Kit Contents (LIT Flare Only)

If you already own the Velossa Tech Civic SI BIG MOUTH, skip to slide 10 to see install and wiring instructions.

Driver Side Hole Location

Remove the stock shroud to allow for installation of the Big Mouth. Hold on to the pop-up retainer clips that retain the shroud. An OEM retainer clip will be used later to install the Big Mouth.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Driver Side Hole Location

Remove Stock Components

Remove the indicated air intake assembly by undoing the indicated bolts and plastic push clip.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Remove Stock Components 1

Loosen (no need to remove) the indicated bolts just enough to allow the section of frame to flex (left). Position the Big Mouth such that the round protrusion lines up with the hole in the section of frame (right).

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Remove Stock Components 2

Big Mouth Installation

Use the supplied M6 x 40mm cap screw and OEM retainer push clip to fasten the Big Mouth at the shown locations. DO NOT OVERTORQUE.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Installation 1

Use the supplied #8 screw and fender washer to fasten the Big Mouth from the top. DO NOT OVERTORQUE.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Installation 2

Once the Big Mouth has been fastened through all 3 points, re-attach the section of frame and stock air intake components that were removed/loosened prior to install. The Big Mouth should feel sturdy and free of any interference.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Installation 3

Install the LIT BIG MOUTH Flare

SKIP THIS SLIDE IF YOU PURCHASED A FULL LIT KIT

Attach the supplied cable clip to your BIG MOUTH as shown. Fasten the cable and provide enough slack to not strain the cable.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Install the LIT BIG MOUTH Flare

Wiring Harness

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Wiring HarnessWiring Harness Schematic

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Wiring Harness Schematic

Big Mouth Wiring

Route the LED strip cable through the indicated opening.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Wiring 1

Undo the indicated bolt to fasten both black ground wires to the ground location shown below.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Wiring 2

Controller Location

Clean the surface with a dry cloth and use the provided double-sided tape to adhere the Diode Dynamics controller to the shown location. Connect the LED strip to one of the controller ports (line up the arrows on the connectors!). The other 3 ports can accept any Diode Dynamics lighting strip for underglow or underhood lighting (sold separately).

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Controller Location

Big Mouth Wiring

Connect the grey pigtail connector to the controller. Route the red wire from the pigtail connector around the fuse box and towards the battery as shown. Bundle most of the red wire together using one of the supplied zip ties while reserving ~6″ of wire for the next connection.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Wiring 3

Follow the wiring harness schematic (slide 12) to properly hook up the switch. Bundle the excess wire as shown and reserve ~12″ of red wire for the next connection.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Wiring 4

Secure the switch to the wire loom using one of the supplied zip ties and conceal the bundles of wire in the crevice shown below. Be careful not to subject any wires or connectors to strain.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Wiring 5

Use the car battery to supply power to the Lit Kit. Undo the nut located on the positive terminal of the battery and fasten the power cable to it as shown. Take care to avoid damaging the wire when reinstalling the terminal cover. Use any leftover zip ties and cable clips to organize and conceal any excess wire.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Big Mouth Wiring 6

Phone App

Download the Diode Dynamics app and connect via Bluetooth.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Phone AppHow to connect to the app:

  1. After installing the app from the app store, open the app on your device.
  2. Cycle the power to the Bluetooth controller by unplugging it and plugging it back in or flick the power switch and wait a few seconds, then turn it back on.
  3. Wait for the app to detect the controller, it will pop up on the app screen as a Bluetooth controller. If necessary, cycle the power once more to refresh the controller.
  4. Once the controller shows up on the app, click it and connect. You have 30 seconds to select the controller once it shows up on the app. After 30 second you will need to refresh again to detect the controller again.
  5. Note that if you mounted your controller behind a lot of metal components, this may degrade the signal and range.

Final Assembly Review

Review the install and make sure nothing is binding or causing any preload on any parts, loosen and retighten if adjustment is necessary.

VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel - Final Assembly Review

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