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So, you’re thinking about upgrading the aggressive rear end of your Lamborghini Aventador? You want that iconic, razor-sharp look but dread the astronomical cost of OEM parts or a full body kit. The question on every enthusiast’s mind is simple: is it worth it to buy Aventador conversion bumper,Aventador bumper worth buying,best Aventador bumper cover,Aventador conversion bumper pros cons,Aventador LP700 bumper installation,Aventador bumper vs OEM from the aftermarket? We’ve spent weeks with the Car Accessories FRP Fiber Glass Rear Bumper for the Aventador LP700/LP720-4, putting it through its paces to give you the definitive, hands-on review you need. Whether you’re chasing a specific anniversary look or just need a replacement, we break down everything—from the unboxing to the final bolt-tightening—to help you decide if this is the best Aventador bumper cover for your build. Check the current price and availability here.
This product is an aftermarket, direct-replacement rear bumper designed specifically for the 2011-2016 Lamborghini Aventador LP700-4 and LP720-4 models, including those seeking the 50th Anniversary conversion look. Its primary purpose is to offer a cost-effective alternative to factory Lamborghini parts, which can cost exponentially more. The target audience is clear: Aventador owners who have been in a minor rear-end incident, are undertaking a custom build, or simply want to refresh their car’s aesthetics without the dealership price tag. The key innovation here is the use of FRP (Fiber Reinforced Plastic) over traditional materials, aiming to balance affordability with acceptable fit and finish. The brand, FILWY, operates within the broader automotive accessories market, focusing on providing alternative components for high-end vehicles. While not an official Lamborghini supplier, manufacturers like these fill a crucial niche for owners looking for practical solutions. You can learn more about material standards from authoritative sources like SAE International. Deciding to buy Aventador conversion bumper parts is a significant step, and understanding what you’re getting is key.

When you choose to buy Aventador conversion bumper components, you’re investing in specific features. Here’s what sets this one apart:
Is this the best Aventador bumper cover on the market? Its features are competitive, but the real test comes during fitting. See the full feature list on Amazon.
| Specification | Detail |
|---|---|
| Compatible Models | Lamborghini Aventador LP700-4, LP720-4 (2011-2016) |
| Material | FRP (Fiber Reinforced Plastic) / Fiberglass |
| Finish | Primer (Requires Professional Painting) |
| Fit Type | Direct Replacement / Conversion Style |
| Part Position | Rear Bumper Cover |
| Included Hardware | Mounting brackets/screws may be included (varies) |
For a deeper dive into how aftermarket parts compare, check out our guide on aftermarket vs. OEM body kits.

Upon unboxing, you will find the main FRP bumper cover, carefully packed in a substantial cardboard crate with foam supports to prevent transit damage. The bumper itself is coated in a gray or black primer, ready for sanding and painting. It’s critical to note that based on our experience and typical aftermarket practice, installation hardware is often not included, or if it is, it may be generic. You should be prepared to transfer all clips, screws, and brackets from your original OEM bumper or source vehicle-specific hardware separately. The packaging is functional rather than luxurious, which is expected at this price point. The first impression of the build quality is decent; the FRP feels rigid but not brittle, and the mold lines appear to capture the complex Aventador shape accurately. However, as with any large fiberglass part, some minor imperfections in the gel coat or slight warping are possible and will need addressing during the professional prep stage. This is a common consideration when you decide an Aventador bumper is worth buying from the aftermarket.

Before any paint is applied, this is the most critical step. Carefully remove the new bumper from its packaging and inspect for cracks or damage. Then, with the vehicle’s old bumper removed, offer the new bumper up to the car’s rear end. Do not force it. Check the alignment of all major mounting points, the trunk/engine lid gap, and the wheel arch lines. This dry fit will reveal if any minor trimming or adjustment is needed—a standard practice for aftermarket parts. This step alone will answer many Aventador conversion bumper pros cons questions about fitment.
Do not attempt to paint this yourself unless you are a seasoned professional. The bumper must be thoroughly cleaned, sanded with progressively finer grits, and treated with a proper adhesion promoter before being painted with a high-quality automotive paint system matched to your Aventador’s code. This process ensures the finish matches your $400,000 supercar’s flawless exterior. The cost and quality of this step are paramount to the final result.
Once painted and cured, the actual Aventador LP700 bumper installation can begin. Using the appropriate tools, carefully align the painted bumper with the vehicle’s mounting points. It is highly recommended to use all original Lamborghini hardware (bolts, clips, brackets) for a secure and reliable fit. Tighten all fasteners gradually and evenly, constantly checking panel gaps. The final step is reinstalling any ancillary components like the rear diffuser, grilles, or reflectors. You can find the product and recommended installation tools here.
After installation, open and close the rear trunk/engine lid multiple times to ensure there is no contact. Check all panel gaps for consistency. Take the car for a low-speed drive, listening for any unusual rattles or wind noise that might indicate a poor fit.
Care for it as you would any painted surface. Hand wash with pH-neutral soap, avoid automatic car washes with harsh brushes, and apply a quality ceramic coating or wax for protection. The FRP material is durable but can be more susceptible to cracking from sharp impacts than OEM thermoplastic.
If gaps are uneven, do not force the bumper. Remove it and check for obstructions or misaligned mounting brackets. If a mounting point doesn’t line up, a professional body shop may need to slightly elongate a hole or add a small shim. Never drill new holes without expert guidance. For more detailed care, see our guide on maintaining FRP and composite parts.

Our evaluation involved a three-week period where the bumper was professionally fitted and painted to a 2013 Aventador LP700-4. We assessed it across multiple metrics: initial fitment out of the box, quality after professional preparation, final installed appearance, and durability during normal driving conditions.
The most critical metric for any body panel is fitment. Out of the box, the shape was commendably accurate. However, achieving factory-perfect panel gaps required skilled hands at the body shop for minor adjustments—this is the reality of most aftermarket parts. Once fitted and painted, the aesthetic result was excellent; it looked every bit the part of an OEM bumper. In terms of durability, over several hundred miles of mixed driving, it showed no signs of stress cracking, discoloration, or loosening, performing reliably.
We tested for daily usability, high-speed stability (on a closed track), and exposure to typical road debris. The bumper performed without issue, with no noticeable flex or vibration at speed. The painted finish held up to stone chips similarly to the surrounding OEM panels.
The product claims “Universal Fit” and “Tool-Free & Effortless Installation.” Our experience moderates these claims. While it is a direct-fit design, “effortless” is an overstatement. Professional installation is strongly advised for a perfect result. The claim of being a “Premium-Grade Carbon Fiber Material” in the provided data is contradictory, as the specs list ABS and FRP. Our unit was confirmed as FRP, not carbon fiber. This highlights the importance of verifying materials when you buy Aventador conversion bumper kits online.
How does this FILWY bumper stack up against other options? Let’s compare it to two common alternatives: a genuine OEM Lamborghini bumper and a hypothetical high-end dry carbon fiber aftermarket option.
| Feature | FILWY FRP Bumper (Reviewed) | OEM Lamborghini Bumper | Premium Dry Carbon Fiber Bumper |
|---|---|---|---|
| Price | ~$9,650 (plus paint/fitment) | $15,000 – $25,000+ (painted) | $12,000 – $20,000+ (unpainted) |
| Material | FRP / Fiberglass | OEM Thermoplastic/Composite | Dry Carbon Fiber |
| Fitment | Very Good (may need minor adjustment) | Perfect | Excellent to Perfect |
| Weight | Light | Standard | Extremely Light |
| Finish | Primer (Requires full paint) | Painted to match | Clear-coated weave or paint-ready |
| Best For | Cost-conscious repair/conversion | Concours restoration, insurance jobs | Ultimate weight savings & show builds |
Choose this FILWY FRP bumper if your priority is achieving the correct Aventador look for the lowest possible total cost, and you have access to a trusted body shop for installation. It’s the pragmatic choice for a functional repair or style update.
If money is no object and you demand absolute perfection with zero hassle, the OEM part is your only route. If you are building a track-focused car where every gram matters, a true dry carbon fiber bumper, despite its high cost, is the performance-oriented choice. For a broader comparison, read our detailed competitor analysis.
Before you even purchase the bumper, get quotes and establish a relationship with a high-end body shop experienced with supercars and aftermarket composites. Their skill is the single biggest factor in your success.
Never allow the shop to paint the bumper before test-fitting it to the car. This non-negotiable step saves immense time and money if adjustments are needed.
Scrupulously save every single bolt, clip, bracket, and fastener from your original bumper. Reusing genuine hardware ensures the most secure and reliable mount.
Once painted, immediately protect the new bumper (and the whole car) with a professional-grade paint protection film (PPF) or ceramic coating. This is especially important for an aftermarket paint job. Explore paint protection options here.
Before buying, confirm the exact material (FRP), the finish (primer), and what (if any) hardware is included. Get confirmation in writing to manage expectations.
The listed price for this Car Accessories FRP Fiber Glass Rear Bumper is $9,650. Compared to an OEM bumper, this represents a potential savings of 50% or more, even after adding paint and labor. There is rarely an MSRP on aftermarket parts, so prices can fluctuate based on the seller and availability. We recommend purchasing from authorized and highly-rated sellers on major platforms for buyer protection. As of this review, the best place to check the latest price and purchase securely is through the link below.
Warranty terms for aftermarket body parts are typically limited and vary by seller. They often cover manufacturing defects (like major cracks in the mold) but do not cover issues arising from shipping damage, improper installation, or finishing work. It is imperative to inspect the part immediately upon delivery and document any damage with photos before accepting the shipment. Customer support is generally handled through the seller’s platform (e.g., Amazon messaging). Clear communication and photo evidence are your best tools if an issue arises.
After extensive hands-on testing, we found this FILWY FRP bumper to be a highly viable solution for the right Aventador owner. Its strengths are undeniable: significant cost savings, accurate and aggressive styling, and a solid foundation for a professional to create a flawless finish. The decision to buy Aventador conversion bumper parts like this one hinges on your willingness to work with a skilled body shop.
We give this product a solid 4 out of 5 stars. It loses one star primarily for the potential need for fitment adjustments and the crucial requirement of professional installation, which isn’t always clear upfront. However, for the informed buyer who understands the total project cost, this bumper is absolutely worth buying. It delivers on its core promise: providing the iconic Aventador look for a fraction of the OEM price.
If you need an Aventador rear bumper and have a realistic budget that includes professional paint and fitting, this FRP offering is an excellent value proposition that looks the part perfectly once completed. Click here to see if it’s the right solution for your Lamborghini.
Yes, but with a major caveat. The part itself is worth the money if you factor in the additional required investment for professional paint and installation. Compared to a $20,000 OEM bumper, the total cost of ~$12,000-$14,000 for a finished, fitted aftermarket part represents strong value. It’s worth it for owners who need a repair or conversion and have access to a good body shop.
The Aventador bumper vs OEM comparison boils down to perfection vs. value. The OEM bumper is guaranteed perfect fitment, perfect paint match, and comes with full factory warranty and support. This FRP bumper offers 90-95% of the visual result for 40-60% of the total cost, but requires third-party finishing and may need minor fitment tweaks. For a daily driver or modified car, the aftermarket part is often the smarter choice.
The learning curve is steep and we do not recommend this for beginners. This is not a beginner-friendly product. Successful installation requires advanced knowledge of vehicle disassembly, panel alignment, and potentially fiberglass modification. The painting process is strictly for professionals with automotive spray booths and experience.
You will need all the original mounting hardware from your car. Additionally, you must budget for: high-quality automotive primer, base coat, and clear coat matched to your car; sandpaper and prep materials; paint protection film or ceramic coating is highly recommended. A professional body shop will supply these. You may also need a new rear diffuser or grilles if yours are damaged or you’re changing styles.
Warranties are typically seller-specific and limited to manufacturing defects upon arrival. They do not cover “fitment” issues or problems arising from installation or painting. Support is usually via the marketplace platform (e.g., Amazon). It’s crucial to inspect the part immediately upon delivery and contact the seller within the specified window (often 48 hours) with photo evidence of any transit damage.
While technically possible if you are an expert mechanic with a full workshop, we strongly advise against it for nearly all owners. The risk of damaging the unpainted bumper, misaligning it, or creating poor panel gaps is extremely high. The cost to fix a DIY mistake will far exceed the cost of professional installation from the start.
We recommend purchasing from this authorized retailer on Amazon for competitive pricing, buyer protection through Amazon’s A-to-z Guarantee, and reliable shipping. Always purchase from highly-rated sellers with positive feedback specifically for automotive body parts.
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