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G37 Cold air intake
Your G37
Pick your year to see what fits.
This page covers the G37 coupe, sedan and convertible.
+5–15 whp (est.)
Hard$630–$6502–3 hrs
Why do it
Pulls cooler air from behind the bumper for more power and better sound.
Tools you'll need
- Socket set
- Trim tools
- Screwdriver
Starting out? See our budget tool list.
Parts to buy
- STILLEN Gen 3 long tube intake 402846 (2008-2013 coupe) The same intake as our video.Fits 2008–2013 · coupe, convertible only
- STILLEN Gen 3 long tube intake 402847 (2009-2013 sedan) The same brand as our video.Fits 2009–2013 · sedan only
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Before you start
- The bumper needs to come off for this one.
Steps
Prepare the engine bay
- Remove the stock airboxes.
Remove the bumper
- Take off the front bumper.
Modify the core support
- Open up the core support as shown.
Install the intake
- Fit the tubes and filters, then tighten the clamps.
How to know it worked
- No check engine light.
- No leaks at the clamps.
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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.