Accessory Installation Guide
| 2022MY Rear Bumper Diffuser | E5610VC550 |
Rear Bumper Diffuser
Installation Manual
This manual describes how to install the Rear Bumper Diffuser
Request
Before installing this product, please ensure to read this manual and carry out proper installation.
Precautions
1. When installing this product on a car, park the car on a flat surface and securely apply the parking brake before carrying out the work.
2. Before starting the installation work, use a neutral detergent (or degreasing agent) and waste cloth to remove dirt adhering to the car’s surfaces to which the Rear Bumper Diffuser are to be attached, and completely dry the surfaces. Moreover, if sand or mud adheres to the back of the clip insertion holes, etc., then clean the contaminated sections.
3. Install the Rear Bumper Diffuser before applying a car body coating treatment. When installing them on a coated car, remove the coating in the areas where the double-sided tape is to be applied before carrying out the installation work.
4. During the installation work, pay careful attention not to damage the car with tools, etc.
5. The purpose of this document is to illustrate explanations common to installation work on the left and right sides.ใCheck the shape of the components to be installed before carrying out the work.
6. When the air temperature is 15โ or lower, use a dryer to warm up this product and the surfaces of the car where the double-sided tape is to be applied to 30โ to 50โ or thereabouts. Avoid using an industrial dryer.
7. The double-sided tape attached to this product does not adhere to the surfaces unless it is adequately pressed. Moreover, reattaching the product significantly reduces the adhesive strength of the tape; therefore, properly position the product before attaching it to the car.
8. The adhesive strength of the double-sided tape gradually increases after it is applied to the car.
Avoid washing the car within 24 hours after attachment . When washing and waxing the car are necessary on the day of the attachment, leave the car as is for at least one hour and subsequently cover the Rear Bumper Diffuser guards with tape, etc. to prevent water from penetrating into areas where the double-sided tape i s applied. Further, be careful not to apply an excessive force to the guards.
9. When blowing air on this product after it is attached to the car, maintain a distance of at least 300 mm between the exhaust port of the blower and the product. Insufficient distance may cause this product to peel.
10. When a car has undergone a body coating treatment including glass coating, this product cannot exhibit its original adhesive performance. Please confirm whether or not a body coating treatment is applied to the car. Moreover, ensure to remove dirt, oil, grease, etc. adhering to the surface on which the product is to be attached, and also ensure to adequately pressure bond it to the car.
<<How to remove a body coating film and confirm the removal>>
– Use a fine-grained compound agent (so as not to affect the car’s paint) to rub the coating film off the area on which the product is to be attached.
– After polishing the area, spray water on it. You can confirm that the coating film has been removed when there is no repelling of water on the area.
Genuine Part Number : E5610VC550
Applicable Model : WRX
2022MY๏ฝ
Tools
- Degreasing agent (recommended nonane)
- Clean cloth
- Dryer
- Masking tape
- Clip remover
Installation procedure
1. Removing the vehicle clip
(1) Remove the vehicle clip from the Rear Bumper. ( 4 places )
โป Do not reuse vehicle clip.
2. Cleaning/Degreasing
(1) Clean, degrease, and dry the shaded area of the Rear Bumper with a degreasing agent.
Advice
If rainwater is attached, wipe it dry with a dry cloth.
Insufficient wiping and drying can cause the product to come off.
3. Preparing to install the โ Rear Bumper Diffuser
(1) Part of the double-sided tape liners on the โ Rear Bumper Diffuser is peeled off and fixed with masking tape.
Advice
Do not peel off the double-sided tape liner more than necessary.
Double-sided tape clings to the bumper, which hinders positioning.
4. Install the โ Rear Bumper Diffuser
(1) Cover the Rear bumper with a โ Rear Bumper Diffuser and attach it with a โกclip.
Advice
Work with the โ Rear Bumper Diffuser slightly widened so that the metal bracket does not damage the Rear Bumper.
(2) Check the mounting position referring to the left figure.
Advice
Please follow the order in which you pull out the double-sided tape liner.
There is a possibility that the position shift occurs at the time of mounting.
(3) Pull out the double-sided tape liner in the order of โ to โข referring to the figure on the left, and crimp it.
(4) Pull out the double-sided tape liner in the order of (4) to (9) referring to the figure on the left, and crimp it.
Advice
To crimp the double-sided tape, press it with a force of 49N(5kgf) for about 10 seconds.
This is the end of the work.
Inspection guidelines
Make sure the clips are attached, the adhesion of the double-sided tape, and make sure that there is no rattling.
Make sure there are no scratches or stains.
There shall be no significant gaps or separation.
E5610VC550
2022MY Rear Bumper Diffuser
- Superior Adaptability: Compatible with 2015-2021 Subaru
WRX STI; Compatible with 2015-2021 Subaru WRX. Please check the model and year of your vehicle to buy appropriate products - Great Construction: Made from premium PE Plastic, our rear diffuser is durable enough to withstand daily wear and tear. Unfinished surfaces allow for do-it-yourself DIY, enabling you to paint or modify them to suit your personal style preferences
- Enhanced Functionality: This diffuser effectively improves airflow management underneath the vehicle. By optimizing airflow, it reduces rear-end turbulence, resulting in improved stability and handling. This subtle but important enhancement can make your driving experience more enjoyable and efficient
- Improved Style: This diffuser increases a sleek black finish to the rear of your vehicle that not only protects it, but also enhances its visual appeal. The modern design complements the lines of your vehicle, giving it an aggressive and sporty look
- Easy Installation: You will receive 2 x Rear Bumper Aprons Spats, 1 x Center Diffuser Fin. Instructions are not included, but there are mounting points on the surface to make your installation process smoother
- Custom Fitment: Compatible with 2015-2021 Subaru WRX & STI
- Specification: Material: High Quality PP - Polypropylene | Color: Matte Black | Package includes: 1x Rear Bumper Lip Diffuser
- Aerodynamic Design: Classic air dam rear under chin spoiler visually enhances the car's performance appearance; it improves aerodynamic efficiency by reducing lift and enhancing stability at high speeds, ensuring driving safety and reducing fuel consumption.
- Ready to Install: Ships in Matte Black surface finish rear bumper protector diffuser lip, ready to install; UV-protected clear coated, resistant to fading for longer life-span
- Installation: Smooth cutout will not scratch car body.Since it is aftermarket part, installation instruction not included. If you want to install it yourself, you can watch the installation video on Web for some installation tips. Of course, IKON MOTORSPORTS always recommends professional installation. Do not forget to keep your vehicle clean and dry before installation.
- Fitment: This Rear Bumper Diffuser is compatible with 2015-2021 Subaru WRX STI; Compatible with 2015-2021 Subaru WRX. Please confirm your car model before purchasing
- Material: Constructed from premium PE Plastic. This material offers excellent impact resistance and durability against road debris. The material withstands road debris and environmental exposure while maintaining structural integrity
- Function: Engineered to optimize underbody airflow, reducing turbulence and improving high-speed stability. This contributes to better driving dynamics and a more planted feel on the road
- Appearance: The black painted rear bumper diffuser not only protects the rear of the vehicle, but also enhances the visual aesthetic. It adds a layer of texture and depth to the bumper area, giving the car a custom high-performance look
- Easy Installation: Includes 2 x Rear Bumper Aprons Spats, 1 x Center Diffuser Fin. Instructions are not included. Directly install with screws
- Product Compatibility: Rear Bumper Diffuser is compatible with 2015-2021 Subaru WRX STI; compatible with 2015-2021 Subaru WRX. Please confirm your car model before purchasing to avoid that the purchased product is not suitable for your car
- Superior Material: Made of high quality PE Plastic with good impact ability, not easy to bend and deform. The surface is unfinished black, which maintains a good appearance even after long-term outdoor use and is durable without frequent replacement
- Improved Aerodynamics: Rear diffuser follows aerodynamics and optimizes the flow of air into the underbody to keep the vehicle stable at high speeds, thus effectively improving driving safety and comfort while maximizing vehicle performance
- Various Protection: Black surface is personalized and sporty aesthetics, so that your car is different from the others, but also take into account the role of protecting the rear of the vehicle, in the event of a collision to absorb some of the impact, to avoid direct damage to the vehicle
- Simple Installation: The package includes 3Pcs Rear Bumper Lip Spats Winglet Splitter Diffuser Aprons (Center & Side). Instructions are not included. Directly install with screws. No need for any special tools or expertise
- Top Length ๏ผ33 Inches; Lower Length ๏ผ31 Inches; Height๏ผ6 Inches; Fin Height ๏ผ2 Inches
- Package Includes ๏ผ 1x Diffuser; 1pc Double Sided Tape;
- Our newly designed universal diffuser allows the end user to take advantage of all angles to create a fully custom look.
- Please make sure to measure the location of application before purchasing.
- Modification may be required to fit properly.
Last update on 2026-05-27 / Affiliate links / Images from Amazon Product Advertising API
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SEOCONTENT-START
This manual describes how to install the Rear Bumper Diffuser ๏ผ Precautions 1. When installing this product on a car, park the car on a flat surface and securely apply the parking brake before carrying out the work. 2. Before starting the installation work, use a neutral detergent (or degreasing agent) and waste cloth to remove dirt adhering to the car’s surfaces to which the Rear Bumper Diffuser are to be attached, and completely dry the surfaces. Moreover, if sand or mud adheres to the back of the clip insertion holes, etc., then clean the contaminated sections. 3. Install the Rear Bumper Diffuser before applying a car body coating treatment. When installing them on a coated car, remove the coating in the areas where the double-sided tape is to be applied before carrying out the installation work. 4. During the installation work, pay careful attention not to damage the car with tools, etc. 5. The purpose of this document is to illustrate explanations common to installation work on the left and right sides. Check the shape of the components to be installed before carrying out the work. 6. When the air temperature is 15โ or lower, use a dryer to warm up this product and thesurfaces of the car where the double-sided tape is to be applied to 30โ to 50โ or thereabouts. Avoid using an industrial dryer. 7. The double-sided tape attached to this product does not adhere to the surfaces unless it is adequately pressed. Moreover, reattaching the product significantly reduces the adhesive strength of the tape; therefore, properly position the product before attaching it to the car. 8. The adhesive strength of the double-sided tape gradually increases after it is applied to the car. Avoid washing the car within 24 hours after attachment. When washing and waxing the car are necessary on the day of the attachment, leave the car as is for at least one hour and subsequently cover the Rear Bumper Diffuser guards with tape, etc. to prevent water from penetrating into areas where the double-sided tape i s applied. Further, be careful not to apply an excessive force to the guards. 9. When blowing air on this product after it is attached to the car, maintain a distance of at least 300 mm between the exhaust port of the blower and the product. Insufficient distance may cause this product to peel. 10. When a car has undergone a body coating treatment including glass coating, this product cannot exhibit its original adhesive performance. Please confirm whether or not a body coating treatment is applied to the car. Moreover, ensure to remove dirt, oil, grease, etc. adhering to the surface on which the product is to be attached, and also ensure to adequately pressure bond it to the car. <<How to remove a body coating film and confirm the removal>> – Use a fine-grained compound agent (so as not to affect the car’s paint) to rub the coating film off the area on which the product is to be attached. – After polishing the area, spray water on it. You can confirm that the coating film has been removed when there is no repelling of water on the area. Request Before installing this product, please ensure to read this manual and carry out proper installation. Rear Bumper Diffuser Installation Manual -1- ฮ00 Distributor Co., Ltd. SUBARU -2- โ โก 1 No. 4 Qty Installation Completion Illustration โ โก Rear Bumper Diffuser Genuine Part Number : E5610VC550 Applicable Model : WRX 2022MY๏ฝ Components Part Name Rear Bumper Diffuser Clip Tools โ Masking tape โ Clean cloth โ Dryer โ Degreasing agent (recommended nonane) โ Clip remover โ Rear Bumper Diffuser E5610VC551 : Parts set โกร4 Repair part number -3- (1) Clean, degreas, and dry the shaded area of the Rear Bumper with a degreasing agent. (1) Remove the vehicle clip from the Rear Bumper. ( 4 places ) ใ Bottom view ใ ใ Bottom view ใ โผ โผ โผ โผ โผ โผ โผ โผ โผโผ โผ โผ โผ โผ โผ โผ ////////// /////// ////// /////////////////////////// //////////////// /////////////////////////// /////////// ///////////// ////////////////// ////////////////// //////// //////// //////////// 1. Removing the vehicle clip โป Do not reuse vehicle clip. Installation procedure Vehicle clip ร4 โ Rear Bumper Diffuser ใ Back side view ใ ใ Surface view ใ Masking tape ( LH side ) Cleaning and degreasing 2. Cleaninng/Degreasing ๏ผ Advice Do not peel off the double-sided tape liner more than necessary. Double-sided tape clings to the bumper, which hinders positioning. If rainwater is attached, wipe it dry with a dry cloth. Insufficient wiping and drying can cause the product to come off. ๏ผ Advice 3. Preparing to install the โ Rear Bumper Diffuser (1) Part of the double-sided tape liners on the โ Rear Bumper Diffuser is peeled off and fixed with masking tape. -4- ใ Bottom view ใ ใ Bottom view ใ ๏ผ ๏ผ ๏ผก ๏ผก โก Clip ร4 โ Rear Bumper Diffuser Rear Bumper โ Rear Bumper Diffuser ใ Muffler part details ใ ใ Central part details ใ ( LH side ) 4. Install the โ Rear Bumper Diffuser (1) Cover the Rear bumper with a โ Rear Bumper Diffuser and attach it with a โกclip. Make sure the clips are attached, the adhesion of the double-sided tape, and make sure that there is no rattling. Make sure there are no scratches or stains. There shall be no significant gaps or separation. This is the end of the work. ๏ผ Inspection guidelines โณ Newly created document Revised contents Details of the work Date 00 7 / May / 2021 โ Rear Bumper Diffuser Align the mounting position so that the gap between the dashed lines are even. Align the mounting position so that the gap between the dashed lines are even. Advice Advice Work with the โ Rear Bumper Diffuser slightly widened so that the metal bracket does not damage the Rear Bumper. ๏ผ Advice ใ Section A-A ใ Reference gap 1mm To crimp the double-sided tape, press it with a force of 49N(5kgf) for about 10 seconds. (2) Check the mounting position referring to the left figure. (3) Pull out the double-sided tape liner in the order of to referring to the figure on the left, and crimp it. ๏ผ5๏ผ ๏ผ5๏ผ ๏ผ4๏ผ ๏ผ4๏ผ ๏ผ4๏ผ ๏ผ6๏ผ ๏ผ6๏ผ โถ โถ โถ โท โท ๏ผ9๏ผ ๏ผ9๏ผ ๏ผ9๏ผ ๏ผ8๏ผ ๏ผ8๏ผ ๏ผ7๏ผ๏ผ7๏ผ โธ โธ (4) Pull out the double-sided tape liner in the order of to referring to the figure on the left, and crimp it. โธ Please follow the order in which you pull out the double-sided tape liner. There is a possibility that the position shift occurs at the time of mounting. Push Crimping
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SEOCONTENT-END