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RULLINE

RULLINE 33.5" x5.2" Universal Rear Bumper Lip Diffuser Car Rear Bumper Chassis Black Spoiler Shark Fin 7 Wing Glossy Black ABS | 33.5" x5.2" Universal Rear Bumper Lip Diffuser Car Rear Bumper Chassis Black Spoiler Shark Fin 7 Wing Glossy Black ABS

  • Based on 519 reviews
Condition: New
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$29.99 Why this price?
Save $44.93 was $74.92

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As low as $7 / mo
  • – 4-month term
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FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Sep 8
Order within 13 hours and 21 minutes
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Features

  • Reduce Air Resistance:This shark fin diffuser designed to increase a vehicle's aerodynamic performance.Reduces car's drag about 1.6% and increases down force.Reduce the airflow into the bottom, improve the steady of vehicle during fast driving.
  • Excellent Appearance:Shark fin and clean lines design, beautiful appearance, personalize and update your car, stylish design gives a customized look.Give your vehicle a more aggressive racing look.
  • ABS Material :Made of high Quality ABS, waterproof, lightweight but durable, not easy to break.
  • Easy Installation:Install with screws (need drilling holes) or with adhensive double sided tape, but professional installation is still recommend.

Description

Quality Led. Sustainable First. Customer Centric. RULLINE, founded in 2011, is a trusted global brand for premium auto and motorcycle accessories. We provide professional cross-border e-commerce services worldwide. We put customers first and uphold strict quality control. Our rigorously tested products and responsive support ensure a dependable shopping experience. At RULLINE, we stand by our quality. We earn your long-term trust through consistent excellence. Wipe clean the installation location Tear off the double-sided adhesive film Align the position to install, click Install the screws more firmly

Color: Black


Brand: RULLINE


Material: abs


Vehicle Service Type: Car


Auto Part Position: Rear


Brand Name: RULLINE


Manufacturer Warranty Description: 60


Manufacturer Part Number: US-SSW005


UPC: 763383254643


Manufacturer: RULLINE


Item Weight: 1.1 pounds


Model Number: US-SSW005


Compatible with Vehicle Type: Car


Auto Part Position: Rear


Color: Black


Installation Type: Screw-In, Self-Adhesive


Material Type: abs


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Sep 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Fantastic upgrade and great looks!
Review Image by Nsb
This diffuser by Rulline was exactly what I was looking for with my sedan. The newer cars all seem to have the finish for the rear end and this was it. Installation was easy with maybe 20 minutes of work. I opted for alternative heavy duty two sided tape over the small roll that is included. Adhesion addressed (after dry fitting) I used the supplied screws on the corners. Durability of the product with installation seems great and has withstood several car washes. The size fit perfectly for my vehicle with no cutting or modifications needed. Overall for the cost this is a great value for the money and is just subtle enough to set your car apart. ... show more
Reviewed in the United States on July 23, 2026 by Nsb
    • It definitely will give your car a new look
Definitely gave my car a new look
Reviewed in the United States on July 5, 2026 by Nurse boss
    • Great.
Great.
Reviewed in the United States on September 29, 2025 by mark russo
    • Fit well
Fit well and looks good
Reviewed in the United States on March 29, 2024 by BP
    • Easy install, clean look
Looks great on my car, easy install
Reviewed in the United States on May 16, 2026 by Ethan
    • Honestly... Pass. It's garbage.
Cool idea, cool addition to a car. Except this product is cheap for a reason... it's garbage. The diffuser arrived warped. It's hard plastic, and it's warped and bent. It's impossible to straighten out. When attached to the car, most of it won't stick with the worthless adhesive, and because it arrives warped, it looks ridiculous. The included screws are garbage and don't hold. All they do is pull the plastic away and even with pre-drilled holes, it's just a waste of your money. It looks ridiculous when it's screwed on and warped. Either spend more money on a higher quality product, or just skip this idea. Otherwise, you're going to return it like I did, with holes in your bumper. ... show more
Reviewed in the United States on April 7, 2024 by George Arthur
    • Alright product! Get better screws they rust in no time
Easy installation but the screws have already rusted they are orange instead of black I recommend getting better screws. They’ve rusted in less than 2 mos
Reviewed in the United States on August 9, 2026 by Angie McMasters
    • Custom fit on 2004 Honda Accord - 2hrs or less!
Review Image by Sean Sullivan
Review Image by Sean Sullivan
Review Image by Sean Sullivan
Review Image by Sean Sullivan
Product is a quality plastic that is very durable. I had to cut into the middle fin in order to fit this around my fuel tank's hitch(?). I have a 2004 Honda Accord EX sedan and had to cut down the stock bumper lip for proper fitment. This product looks great and took all of a 2 hours to install because I was triple checking my measurements. I didn't use the 3M adhesive supplied because I was able to use the bolt holes that the original bumper uses to bolt to the frame. This is currently held in by two 9mm plugs that are extremely secure. Overall, this product will most likely require custom fitment but is capable of being manipulated while keeping its durability! ... show more
Reviewed in the United States on April 15, 2022 by Sean Sullivan

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