Accessory Installation Guide
| 2017-24MY Impreza and 2018-24MY Crosstrek Flexible Tower Bar | E4010FL001 |
E4010FL001
1st Edition. January, 2023
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.
E4010FL001
- COMPATIBILITY: The Strut Tower Bar Fit for 2009-2013 for Subaru
forester /2015-2019 for Subaru
WRX
STI
- PRECISE STEERING ACCURACY: The function of the front Strut bar is to enhance the rigidity of the engine compartment, the body roll when cornering is weakened, and the steering accuracy can be more precise than before
- PREVENT BODY DEforMATION: The Strut Brace is used to fix the front shock absorber of the motor vehicle as a whole, enhance the rigidity of the car body, and effectively prevent the car body from deforming
- IMPROVE VEHICLE BALANCE: SCITOO is a specialist in manufacturing aftermarket chassis shock Tower Braces, improving vehicle balance, steering precision, grip levels to enhance overall driving performance
- PACKAGE INCLUDED: 1pc aftermarket shock Tower Braces. Please double-check the parts search above to make sure it fits your vehicle
- VEHICLE-SPECIFIC TUNING: Meticulously engineered for Subaru
Forester, XV, SJ & GP models (2013-2018), this strut bar enhances chassis stiffness effectively, minimizing body roll and distortion during cornering. It delivers exceptionally precise steering feedback and a steady, reassuring driving feel on all types of road surfaces. - HIGH-QUALITY DUAL-MATERIAL BUILD: Constructed with an aluminum main beam and steel mounting brackets, this brace achieves an excellent balance of robust strength and lightweight performance—no unnecessary load on the vehicle. The anti-corrosion treatment on the surface ensures long-term reliability and safeguards against harsh environmental conditions.
- HASSLE-FREE BOLT-ON INSTALLATION: Designed as a direct fit for Subaru
(2013-2018), this strut bar leverages the original factory mounting positions. No drilling, cutting, or any modifications are required, making it easy for most DIY users to complete the installation in a short time. - STRICT DURABILITY VERIFICATION: Underwent comprehensive stress, vibration, and durability tests to meet rigorous standards. It can withstand the wear and tear of daily driving, providing consistent performance, improved functionality, and long service span even after prolonged use.
- ACCURATE FITMENT ASSURANCE: Precisely crafted for Subaru
Forester, XV, SJ, and GP models from 2013 to 2018. Please double-check your vehicle's exact year, make, and model to ensure a perfect fit without any compatibility problems.
- 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
- For Scion FR-S (ZN6)/Subaru
BRZ (ZC6)
- FITMENT - The Front Strut Tower Brace is compatible with Subaru
Forester 2009-2013, for Impreza 2008-2011. Not compatible with Hatchback. Please verify your vehicle's model and year before purchasing, to make sure the kit fits. - ENHANCED HANDLING PERFORMANCE - Connects front strut towers to help reduce chassis bending and body roll during cornering, and helps reduce steering vagueness. Experience improved steering accuracy and straight-line stability.
- MATERIALS & PROCESSES - Featuring an aluminum alloy main bar and steel mounting bases with a powder-coated finish, balancing reliable rigidity and lightweight performance. Features precision fish-scale welding for long-term durability, resisting rust, corrosion, and deformation under harsh driving conditions.
- EASY TO INSTALL - Aligns precisely with original strut tower mounting holes. No drilling, cutting, or welding required. Uses factory mounting bolts for a straightforward installation process. Most users can complete the installation using basic hand tools.
- PACKAGE & WARRANTY - Includes 1 x front upper strut tower bar. We back our product with a 12-month hassle-free warranty. Feel free to contact us if you have any questions.
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
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Δ00 E4010FL001 1st Edition. January,2023 1 Li/l:Jji-l-7–/” 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. ,6 Warning Precautions that you must observe for your safety. [Failure to observe these precautions may result in death or serious injury.] ,6 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. ,6 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. ,6 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. *Advice • We do not assume any liability or responsibility for any malfunction, damage, or any other defects arising from inappropriate installation or misuse of the products. · When replacing the product, be sure to use genuine Subaru
products for parts that cannot be reused, such as the locking flange nuts. • Specifications of this product are subject to change without prior notice. • Installation of this product may degrade the ride feeling, or cause significant changes in the driving characteristics. Manufacturer: SUBARU
CORPORATION E4010FL001 2 I Installation Procedures I 1. Part Number and Applicable Model STI
part number Part Name Applicable Model IMPREZA(17MY~) Flexible Tower Bar F XV (18MY~) CROSSTREK (18MY~) FORESTER (19MY~ : Excluding vehicles with engine cover) 2. Components Flexible Tower Bar F main unit 1 set Flan e nut M 1 O 6 pieces Clearance check gauge 1 sheet * 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. ···~l Maximum bending position .,~ &, Caution • 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). 3 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 included new flange nuts. (4) Adjust Flexible Tower Bar so that a right bar and left bar become straight. ,,–:::::1..:…””7’rt,-7″i:::S:::=:!::::::::5==:::::s-J I LEFT FRONT 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 ~ Caution Reusing the flange nuts may cause the screws to become damaged or loose. (5) Tighten the flange nuts according to the specified torque. Tighten 2 nuts on the side towards the vehicle rear fi rst, 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) (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. (7) After install ing, Use gauge to check the clearance between the bar and the vehicle. When clearance is not enough, loosen the flange nut. Go back to step 4, re-adjust the Flexible Tower Bar and recheck the clearance. The re-adjustment, turn the bracket using a slotted hole. /~::::i.:_I ~\~..,,.-~-r7s=====~~:::=~•-LEFT FRONT * Check the clearance with gauge Clearance Touch -4- *Advice Necessary tools: 14 mm size ratchet wrench, torque wrench it 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. *Advice Use the gauge only for the lmpreza. XV and Forester are not used. it Caution Place gauge to the tower bar perpendicularly. 0 gauge @ llustration of installed state 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 r-the bracket’s ed e 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.) Bracket’s aligning mark line Positioning line (3) Remove the M6 bolts (4 pieces on the left and right) joining the bracket and the bar, and remove the bracket. – 5- *Advice Necessary tools: 5 mm size hexagon socket, torque wrench, paper tape, pen !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) Bracket’s aligning mark line O> Positioning line (5) Check the clearance with gauge. Clearance Touch To the customers Handling Precautions ~ Caution *Advice Use the gauge only for the lmpreza. XV and Forester are not used. ~ Caution Place gauge to the tower bar perpendicularly. 0 Tower bar gauge • 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. – 6- REASON OF REVISION ~ DESCRIPTION DATE – 7- 8 E4010FL001 Flexible Tower Bar F Clearance confirmation template Tower Bar Engine 50mm SCALE l :l 0 50mm
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