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Fitting Guide · MHC+ Audi 8V RS3/A3/S3

Carbon Fiber Rear Spoiler

A flush, factory-look adhesive spoiler fit. Please read in full before fitting — warranty coverage does not extend to damage from incorrect installation.

Crew2 People
DifficultyMedium
Time1 hr + 24 hr cure
ToolsHeat Gun, Glue & Tar Remover
MHC+ carbon spoiler
1

Remove Your Existing Spoiler

If a spoiler is already fitted, soften the old adhesive with a heat gun — keep it moving at all times to avoid damaging the paint underneath. Use a heat gun at your own risk.

2

Clean the Mounting Surface

Wipe the boot lid with a glue and tar remover until fully free of old adhesive, grime, or wax. Leftover residue weakens the bond.

3

Dry Fit Before Committing

With the backing tape still on, rest the spoiler on the boot lid to confirm alignment — the contoured ends are shaped to wrap the lid's curve.

Spoiler contour detail

The contoured edge follows the natural curve of your boot lid for a flush fit.

4

Peel, Position, and Press

Once confident in placement, peel the backing tape and move the spoiler into final position. Press firmly along its full length to seat the adhesive.

5

Apply Pressure Over 24 Hours

For the strongest bond, apply firm pressure across the spoiler every few hours while the adhesive fully cures.

Finished spoiler fitment

Finished fitment — flush, low-profile, factory-look lip.

!
Maintenance
Stick to shampoo and light wax or polish. Acidic cleaning products can react with the finish and cause lasting damage — avoid these on or near the carbon fiber surface.
Need a hand with your fitment? Contact us — we're here to help.