Accessory Installation Guide
| 2019-23MY Forester (Excluding Wilderness) – Flexible Strut Tower Bar | E4010SJ001 |
E4010SJ001
1st Edition. March, 2021
Installation and Operations instructions for Flexible Tower Bar
Part Number and Applicable Model
| STI | Part Name | Applicable Model |
| E4010SJ001 | Flexible Tower Bar F | FORESTER (19MY~) |
E4010SJ001
- Placement: Front; Upper; Not guarantee fitment on models with aftermarket top mount intercooler
- Enhances Steering Response and Stability; Increases Stiffness and Reduces Body Rolling during Corning
- One-Piece Race Spec Strut Tower Bar constructed of strong Aluminum to extremely tight tolerances and then polished to perfection.
- Tower Mounts (Brackets) are Made of Reinforced Steel for Extra Strength and Durability
- Compatibility of Replacement:For 2009-2013 Forester (SH 3rd Gen); For 2008-2014 Impreza WRX
& WRX
STI
(Impreza Based Model GE/GH & GV/GR 3rd Gen); For 2013-2016 XV (GP 1st Gen); For 2013-2015 XV Crosstrek (GP 1st Gen); For 2016-2017 Crosstrek (GP 1st Gen)
- THE FITMENT OF THE STRUT TOWER BRACE BAR fit 2008-2014 for Subaru
Impreza - FUNCTION OF THE RED STRUT SHOCK TOWER BRACES - The addition of our front strut bar to the vehicle can eliminate the impact of the vibration caused by the uneven ground on the car body. The car body uses an independent suspension system to absorb a large amount of external vibration
- FEATURES OF THE STRUT BRACE - this Front Strut Bar is designed to provide a superior driving experience on any road surface. Manufactured from superior-grade materials to perform reliably under punishing conditions
- UNRIVALLED STREET PERFORMANCE - Engineered to activate more grip for improved handling and outright performance, products are rigorously tested on the track to provide unrivalled street performance
- NOTICE - Please check the description and compatibility chart before your purchasing. Please tell us if you have any question regarding our this product
- Custom-fit for Subaru
Forester 2019-2024, enhances chassis rigidity to reduce body deformation during cornering, delivering crisper steering feedback and more stable driving. - Premium dual-material design: polished silver aluminum middle bar (lightweight yet strong) and detachable red steel side bases (robust load-bearing, sporty look).
- Engineered as a hassle-free direct bolt-on accessory for 2019-2024 Subaru
Forester, it aligns perfectly with the vehicle’s original factory mounting positions. There’s no need for drilling, cutting, or any complicated modifications. The detachable side bases further simplify the installation process, allowing most DIY enthusiasts to complete the upgrade quickly and easily on their own. - Undergoes strict and comprehensive testing, including stress tolerance, vibration endurance, and anti-corrosion trials, to ensure it can stand up to the demands of daily commuting, off-road trips, and long-term use. The polished aluminum bar resists scratches and tarnish, while the steel side bases feature anti-rust treatment, guaranteeing long-lasting reliability even in harsh environmental conditions.
- This strut bar is specially developed for Subaru
Forester 2019-2024 models. To guarantee a custom fit, please double-check your vehicle’s exact year and model before purchasing. It’s a premium upgrade part that effectively enhances your Forester’s driving stability and overall performance, perfectly suited for car enthusiasts seeking both functionality and style.
- FITMENT for THE FOLLOWING VEHICLE: The Strut Bar fit for 2008-2014 for Subaru
Impreza - EFFECT OF STRUT TOWER BAR: The installation of the Shock Tower Brace can balance the torque of the two wheels, prevent positioning displacement, reduce the turbulence of the two wheels, extend the life of the shock absorber, and avoid feeling weak and lateral when turning
- FEATURE: 1. Strengthens the strut towers and engine bay; 2. Noticible difference in stability under braking, cornering, and acceleration; 3. Increases responsiveness and control. Easy bolt on installation
- REDUCE ROLL OF CAR: Our strut bar can definitely improve cornering characteristics and there is a definite and very noticeable improvement in both high and low speed turning as well as reduction of body roll
- BUYER NOTICE: Please be sure to compare carefully with photos and check model before buying items. Please tell us if you have any question regarding our this product
Last update on 2026-07-01 / Affiliate links / Images from Amazon Product Advertising API
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Li!I:/jJi-l-7–/” LiOO E4010SJ001 1st Edition. March, 2021 Installation and Operations instructions for Flexible Tower Bar • Thank you for purchasing this product. • This manual provides installation and handling instructions for this product, and precautions to be observed. • Before using this product, be sure to read “Safety Precautions” and use the product properly. • Keep this manual in a safe place, such as the glove box, and refer to it whenever necessary. Important precautions are indicated with the following marks. Be sure to observe those precautions. Lh Warning Precautions that you must observe for your safety. [Failure to observe these precautions may result in death or serious injury.] Lh Caution Precautions that you must observe for your safety and for your vehicle. [Failure to observe these precautions may result in damages or accidents.] * Advice Information that you should familiarize yourself with. Information that are useful. Lh Warning • Never attempt to modify this product. This may damage the product and may become cause of serious accidents. • Be sure to stop the engine during work for safety reasons. • Be sure to tighten bolts and nuts firmly. • Inspect the nuts and bolts after the first 100km (62 miles) of driving after attaching them. Re-tighten them if necessary. • If abnormal noise or vibration occurs while driving, pull over the car immediately to a safe place, and then inspect and re-tighten the attaching bolts. If abnormalities persist, perform inspection and make necessary repairs immediately. If you continue to drive in this condition, damages or accidents may occur. • Stop using this product immediately it it has defects such as deterioration and breakage, or receives a strong impact, as these conditions impair the product’s original performance. • Make sure that no part comes in contact with the battery while working. Lh Caution • This product does not improve the limit performance significantly. Always drive safely. • Do not use this product on inapplicable vehicles or for purposes other than it is designed for. Doing so may result in damages or accidents. • If bolts and nuts are not tightened with specified torque while installing this product, they may be damaged or become loose. Make sure to tighten them with the specified torque. I installation Procedures I 1. Part Number and Applicable Model STI
part number Part Name Applicable Model E4010SJ001 Flexible Tower Bar F FORESTER (19MY~) 2. Components Flexible Tower Bar F main unit 1 set Flange nut (M10) 6 pieces * Check the number of items included first. If any items are missing or different, contact the place of purchase. 3. Specifications The bracket that connects left and right strut tops are made of steel. The jointing bar is a light-weight aluminum pipe with alumite treatment, which is divided into left and right halves and contains pillow balls, and covered with a rubber boot. This Flexible Tower Bar is designed to ensure body stiffness and to improve driving performance and riding comfort. 4. Precautions During Installation ~ Warning • For safety purposes, always turn off the engine and ignition while operating. • Always tighten bolts and nuts firmly. * Cautions about the Flexible Tower Bar ~ Caution • The rubber boot at the middle of the Flexible Tower Bar has pillow ball inside it. Do not apply excessive load on the pillow ball part when the bar is fully bent. Too much load may cause damages. ~ Caution Maximum bending position ..,~ • The contents of this manual is designed for automobile mechanics or those who have basic knowledge about automobile maintenance. Do not let inexperienced persons to work alone, as it could cause the vehicle to undergo dangerous troubles during driving. To install the product properly for it to function as intended, it is recommended to perform the installation procedure at an authorized Subaru
retailer. • Tighten bolts and nuts according to specified torque. If not tightened with specified torque, the bolts and nuts may become damaged or loose. 5. Parts that Cannot be Replaced at the Same Time or Reused • Do not reuse the originals nuts for fixing this product to the upper mount. Be sure to use the flange nuts provided with the product. • Be sure to tighten with the specified torque. The specified torque for the included flange nuts is 32N · m(24ft-lbs). • Tools to use: ratchet wrench(14 mm), torque wrench (14 mm), hexagon socket (5 mm). -2- 6. Work Procedure * This manual shows left side. Install on the right side in the same way. (1) Remove the upper mount attaching flange nuts. ~ Warning (3 on each side.) (2) Lift the middle part of the Flexible Tower Bar in the assembled state, and attach RH and LH of the bracket to the upper mount. (3) Temporarily tighten the bracket with the !”‘\f\U.! “”””””””” For safety reasons, be sure to stop the engine and turn off the ignition while working. *Advice Make sure that no one is inside the vehicle and all wheels are on the ground when performing installation to ensure the product performance. ~ Caution The rubber boot at the middle of the Flexible Draw Tower Bar has pillow ball inside it. Do not apply excessive load on the pillow ball part when the bar is fully bent. Too much load may cause damages. *Advice Before installing the Flexible Tower Bar, align the white marking on the rubber boot at the middle and the white making of the Bar, and adjust the logo to be level. FRONT’ Rubber boot White mark (5) Tighten the flange nuts according to the specified torque. Tighten 2 nuts on the side towards the vehicle rear first, and then tighten 1 nut on the side towards the vehicle front. I * Specified torque: 32 N·m (3.2 kgf·m / 24 ft-lbs) I 0~6 ~ rear side~ S®’ e±::—==-5 ~-\\ (@(@ (6) Loosen the M6 bolts (2 pieces) securing by 1/2 to 1 turn where the bar attaches to the left side bracket in order to adapt the Flexible Tower Bar to the vehicle. With bolts loose, ensure the bar has adequate clearance with nearby components (brackets and nuts). Adjust if necessary. Then tighten them to the specified torque. I * Specified torque: 15 N · m (1.5 kgf · m / 11 ft-lbs) I n/EFT FRONT (7) llustration of installed state *Advice Necessary tools: 14 mm size ratchet wrench, torque wrench Lh Caution Be careful not to tighten more than necessary, as doing so may deform bar. *Advice Tools to use: 5 mm hexagon socket, torque wrench. □□□□□□□□□□□□□□□□□□□□ □□□□□□□□□ 7. Operation procedure for vehicle maintenance ♦ Maintenance such as strut Remove the Flexible tower bar in the assembled state, When restoring, install 6 new nuts according to this manual. (Part number 902350029) ♦ Maintenance in engine compartment. Leave the bracket to the vehicle, remove the bar only in accordance with the following procedure. I When Removing I (1) On the Flexible Tower Bar’s bar, attach the tape in line with the bracket’s face. Tape __ Attach in line with the bracket’s edge face (2) Mark a positioning line on the tape on the extension of the aligning mark line of the bracket. (Perform the same procedures for both left and right sides.) MB bolts Bracket’s aligning mark line ~ (3) Remove the M6 bolts (4 pieces on the left and right) joining the bracket and the bar, and remove the bracket. !When Restoring I (4)Align the tape end and bracket’s edge face as well as the bracket’s aligning mark line and the tape’s positioning line with the M6 bolts removed from the bar and the bracket. Then, tighten the M6 bolts. * Specified torque: 15 N · m (1.5 kg f· m) To the customers Handling Precautions *Advice Necessary tools: 5 mm size hexagon socket, torque wrench, paper tape, pen Lh. Caution · To install the product properly for it to function as intended, it is recommended to perform the installation procedure at an authorized Subaru
retailer. · When storing the Flexible Tower Bar removed from the vehicle, put a support under bar to prevent the middle part (rubber boot section) from sagging. · Do not remove the rubber boot at the pillow ball part in the middle. -5- REASON OF REVISION ~ DESCRIPTION DATE
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