2020-2022 Subaru Legacy Trunk Spoiler

Accessory Installation Guide

2020-22MY Legacy – Trunk Spoiler

Note: Please use the correct model year “Accessory Installation Guide Applicability Chart” to reference model line applicability for this document. Not all model year vehicles can be fitted with this accessory.

E721SAN030XX
E721SAN030V3Crystal Black Silica
E721SAN030W7Crystal White Pearl
E721SAN030TRIce Silver Metallic
E721SAN030T1Crimson Red
E721SAN030M4Magnetite Gray
E721SAN030G5Tungsten Metallic
E721SAN030G6Abyss Blue Pearl
E721SAN030Q8Brilliant Bronze Metallic
E721SAN030NNPrimer

 


PART NUMBER: E721SAN030XX

INSTALLATION INSTRUCTIONS

DESCRIPTION: Legacy – Trunk Spoiler

 

TOOLS REQUIRED:

1/4″ Drive Ratchet

1/4″ Drive Torque Wrench

1/4″ Drive 10mm Deep Socket

Power Drill

Spring Loaded Center Punch

Deburring Tool

Flathead Screwdriver

Masking Tape

91% or Greater Isopropyl Alcohol

Rust Preventative or Touch Up Paint

Vacuum

Soft Lint Free Cloths and Large Disposable Cloth

Metric Step Drill

SAE Step Drill Bit

Work Gloves

Safety Glasses

Adjustable Support Rod

Clip Removal Tool

Torsion Bar Tool

 

KIT CONTENTS:

Legacy Spoiler with pre-installed studs

4x 70% Alcohol Pads

4x Compression Nuts

2x Clips

Mylar Template

Left and Right Torsion Bars

 

STEP 1: Clean trunk lid with isopropyl alcohol and a soft clean cloth towel.

 

STEP 2: Open the trunk lid. Using a flat head screwdriver, remove the 12 (twelve) clips and remove the liner.

 

STEP 3: Close trunk. Lay mylar template on trunk lid. Use the two corner arrows to align and center template. Tape template flat to trunk lid.

 

STEP 4: Use a spring loaded center punch to mark all 7 (seven) hole locations.

 

STEP 5: Open trunk lid and lay down a disposable cloth or plastic sheet to protect the trunk area and catch any metal shavings. Remove template and confirm all 7 (seven) punch marks are visible. Close trunk lid.

 

STEP 6 โ€“ See STEP 6A if using a metric step drill bit. Skip to 6B if using an SAE step drill bit.

STEP 6A: Metric Hole Drilling: Use tape to mark the stopping position on the step drill bit. Drill the 7 (seven) hole locations according to the sizes as shown below.

STEP 6B โ€“ SAE Hole Drilling: Use tape to mark the stopping position on the step drill bit. Drill the 7 (seven) hole locations according to the sizes as shown below.

 

STEP 7: Deburr holes. Vacuum trunk lid. CAUTION: Be careful not to scratch the vehicle’s paint. Open trunk, carefully dispose of cloth or sheet and vacuum trunk area.

 

STEP 8: Use the supplied alcohol wipes to clean the surface of the trunk lid where the spoiler will be installed.

 

STEP 9: Insert the white clips into the trunk lid first. Then line up spoiler but DO NOT press the spoiler down yet.

 

STEP 10: Carefully align the 8mm (5/16โ€) locating pin and studs with the holes in the trunk lid.

CAUTION: Take extra care with aligning the outboard T-bolts with the white clips from Step 9.

 

STEP 11: When ready, position hands over the RH clip and press down vertically to engage the clips. You will hear a series of clicks. Then proceed to the LH clip and make sure the T-bolt is still aligned with the clip. Press down to engage the clips. You will hear a series of click.

CAUTION: Failure to align the T-bolt to the white clip can cause the white clip to be damaged and pressed into the hole.

 

STEP 12: Open trunk lid and install the 4 (four) compression nuts. Loosely tighten all 4x nuts then torque using the following

Torque: 5.65 +/- 0.40

STEP 12: Open trunk lid and install the 4 (four) compression nuts. Loosely tighten all 4x nuts then torque using the following sequence below.

Torque: 5.65 +/- 0.40 Nโ€ขm (50 in-lbs +/- 3 in-lbs).

 

STEP 13: Close trunk lid and firmly press down again on locations #1 and #2 to ensure white clips are fully engaged.

 

STEP 14: Clean trunk lid and spoiler.

 

STEP 15: Press the rear seatback lock release button on both ends of the rear seat. Fold seats down.

 

STEP 16: Open the trunk. Start on the right-hand side of the trunk. Turn hook 90ยบ, press tab using a screwdriver and then detach. Use clip remover to remove 4x clips. Save clips for reuse, replace if damaged. Clip Part Number: 99045AE03AMA

 

STEP 17: Repeat for the left-hand side.

 

STEP 18: Locate the Emergency Fuel Door Release Cover on the right-hand side trunk trim panel. Turn knob counter-clockwise and lift up to remove the cover.

 

STEP 19: Move release clip forward and then upward. Tuck it behind the trunk trim panel.

 

STEP 20: Fold and lift up the trunk mat and remove from vehicle.

 

STEP 21: Remove the 2x side spacers and middle trunk subassembly from vehicle.

 

STEP 22: Remove three clips with clip remover (pull towards front of vehicle). Save clips for reuse, replace if damaged. Clip Part Number: 99045AE03AMA. Then lift panel upwards to disengage the four claws (claws are hidden under panel, two are shown in diagram below).

 

STEP 23: Go to the right-hand side of the backseat. Carefully loosen the trunk trim panel from the seat pillar trim and then shift it towards the center of the vehicle (1) to clear the striker and then slightly shift it towards the rear (2).

 

STEP 24: Gently bend the trunk trim panel by the trunk hinge and pull the entire trunk trim panel rearward to remove it from the vehicle. Repeat Steps 23-24 on the opposite side.

 

STEP 25: For vehicles with trunk mounted seatback release handles. Use needle nose pliers to gently squeeze the locking tabs in the release cable mounting clip and remove from bracket.

 

STEP 26: Turn the release handle 90ยฐ towards the outside of the vehicle and pull down to remove. Repeat Steps 25-26 on the opposite side.

 

STEP 27: Install the adjustable trunk support rod extending from the spare tire well area to the trunk lid.

WARNING: If the adjustable support rod is not securely installed, the trunk lid can fall when the torsion bars are removed and cause severe injury to the installer and/or damage to the vehicle.

 

STEP 28: Locate the bracket clip at the center of the trunk and open it by releasing the tab in the front and then swinging the bracket rearward to open.

NOTE: Take notice of the order of the torsion bars in the bracket before proceeding.

 

STEP 29: CAUTION: The next few steps must be performed carefully with the specified torsion bar removal tool. Failure to use the proper tool can result in severe injuries and/or damage to the vehicle. Due to this, it is strongly recommended that this product be installed by a SubarueBay logo retailer.

Left Hand (LH) Torsion Bar Removal: With the special tool securely in place and safety pin engaged, rotate tool downward to apply tension to the LH torsion bar on the right-hand side of the vehicle.

 

STEP 30: While tensioning the LH torsion bar, move the RH hinge link off the LH torsion bar (1). Then carefully unhook the torsion bar off the RH hinge bracket (2) – see diagram (photo taken from rear seat) to lift up and then carefully pull towards the rear. Dislodge torsion bar from the bottom position of the center bracket clip (3).

 

STEP 31: While still holding the torsion bar tool, support the center of torsion bar with other hand and angle it downward (1). Remove torsion bar from the anchor bracket by pulling to the right (2). Remove safety pin and remove the tool from the torsion bar. Dispose of the original torsion bar.

 

STEP 32: Right Hand (RH) Torsion Bar Removal: With the special tool securely in place and safety pin engaged , rotate tool downward to apply tension to the RH torsion bar on the left-hand side of the vehicle (1).

While tensioning the RH torsion bar, move the LH hinge link off the RH torsion bar (2). Then carefully unhook the torsion bar off the LH hinge bracket by lifting up and then carefully pull towards the rear (See figure from Step 30). Dislodge torsion bar from the top position of the center bracket clip – in the center of the trunk (not shown).

 

STEP 33: While still holding the torsion bar tool, support the center of torsion bar with other hand and angle it downward (1). Remove torsion bar from the anchor bracket by pulling to the left (2). Remove safety pin and remove the tool from the torsion bar. Dispose of the original torsion bar.

 

STEP 34: The new accessory torsion bars will have green markings on them. See diagram below for proper engagement of the torsion bar and the safety pin in the tool. Start with the RH torsion bar. Installation of the new torsion bars is the reverse procedure of removal.

Reinstall trunk mounted seatback release handles (if equipped), trunk trim panels, side spacers and middle trunk subassembly, trunk mat, Emergency Fuel Door Release Cable, and Emergency Fuel Door Release Cover, trunk hooks, and return rear seat backs to the upright position and confirm that they are securely engaged.

 

STEP 35: Open and close trunk to confirm proper operation. Then reinstall the trunk liner. Installation complete.

 


2020-22MY Legacy – Trunk Spoiler

https://techinfo.subaru.com/stis/doc/accInstallGuide/E721SAN030XX%20-%20Legacy%20Trunk%20Spoiler%20Installation%20Instructions.pdf
https://static.oemdtc.com/AccessoryInstallationGuide/E721SAN030XX.pdf

 


 

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  • Easy to Install: Come with all needed hardwares, you can install the trunk lid spoiler easily. Drilling may needed to ensure long time performance. Before trying, you can search some web installation videos for some installation tips. Of course, using a professional installer is highly recommended.
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Last update on 2026-06-19 / Affiliate links / Images from Amazon Product Advertising API


 

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