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Lancer Downpipe Install Guide
Your Lancer
Pick your year to see what fits.
+15–30 whp (est.)
Expert$300–$6503–5 hrs
Why do it
Frees up the turbo for faster spool and more power once tuned.
Tools you'll need
- Jack and 4 jack stands
- Socket set
- Torque wrench
- Penetrating oil
- Jack and 4 jack stands
- Socket set
- Torque wrench
- Penetrating oil
Starting out? See our budget tool list.
Parts to buy
- COBB 3 in. downpipe (09-15 Ralliart) Needs a tune. Check your local laws.Fits 2009–2015 · Ralliart
- COBB 3 in. downpipe (08-15 Evo X) Needs a tune. Check your local laws.Fits 2008–2015 · Evo X
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Before you start
- Check your local emissions laws first.
- Check your local emissions laws first.
Steps
Loosen everything
- Soak and loosen the bolts.
Remove the stock pipe
- Take it out.
Install it
- Fit the new downpipe.
Reassemble
- Put everything back.
Loosen everything
- Soak and loosen the bolts.
Remove the stock pipe
- Take it out.
Prepare the new pipe
- Prepare it.
Install it
- Fit the new downpipe.
Reassemble
- Put everything back.
How to know it worked
- No exhaust leaks at the joints.
- Tips sit even in the bumper.
- Nothing touches the body.
- No exhaust leaks at the joints.
- Tips sit even in the bumper.
- Nothing touches the body.
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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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