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Mazdaspeed3 Front mount intercooler Install Guide

Your Mazdaspeed3

Pick your year to see what fits.

This page covers the US Mazdaspeed3.

+10–20 whp (est.)
Hard$1,200–$1,3004 hrs
All Mazdaspeed3 mods

Why do it

Keeps charge air cool so power holds on hard pulls.

Tools you'll need

Starting out? See our budget tool list.

Parts to buy

Double-check fitment before buying. We may earn a commission when you buy through these links, at no extra cost to you.

Steps

  1. Remove the bumper

    • Take off the bumper and under tray.
    Watch this step (COBB, on a Gen 2 Mazdaspeed3) (1:49–5:08)

  2. Remove the stock intercooler

    • Unbolt and lift it out.
    Watch this step (5:08–6:48)

  3. Mount the new intercooler

    • Bolt in the new core.
    Watch this step (6:48–9:15)

  4. Fit the charge pipes

    • Fit the new pipes and clamps.
    Watch this step (9:15–11:42)

  5. Fit the smaller parts

    • Fit the other parts from the kit.
    Watch this step (11:42–14:16)

  6. Reassemble

    • Refit the bumper and check it all.
    Watch this step (14:16–17:00)

How to know it worked

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Safety first

  • Park on flat ground, set the parking brake and chock the wheels.
  • Never get under a car held up only by a jack. Use jack stands.
  • Let the engine and exhaust cool first.
  • Disconnect the battery before unplugging electrical parts.
  • Wear safety glasses.
  • If something doesn't match your car, stop and ask a shop.

Follow your part's instructions and your service manual's torque specs.

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