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  • Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
  • Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
  • Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
  • Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
  • Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
  • Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18
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Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18

  • 1 - 4 Pieces
    $229
  • 5 - 9 Pieces
    $209
  • >= 10 Pieces
    $189

Customization:

Customized logo（Min.Order: 20 pieces）
Graphic customization（Min.Order: 20 pieces）
View product details

Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Aerodynamic Performance: Enhances downforce and reduces drag through its sleek, carbon fiber design, optimizing airflow for improved handling and stability at high speeds.
  • Aggressive Aesthetic Design: Delivers a sporty, aggressive look with sharp edges and smooth curves, tailored for performance-oriented vehicles like the Audi RS3 Sedan (2017-2018).

Key features

  • 1. Lightweight Carbon Fiber Construction

    • With carbon fiber material, achieve a durable yet ultra-lightweight upgrade that enhances vehicle performance and fuel efficiency. ~20% lighter than traditional fiberglass diffusers

  • 2. Optimized Aerodynamic Performance

    • With airflow-optimized design, reduce drag and boost downforce for sharper handling and stability at high speeds. Delivers 15% better downforce compared to OEM components

  • 3. Precision Fitment for Audi RS3 Models

    • Designed specifically for the 2017-2018 Audi RS3 Sedan, this diffuser ensures seamless integration and superior performance for both track and daily driving. Outperforms generic diffusers in fitment precision by 30%

  • 4. Easy Customization & Installation

    • With a modular design, personalize your car’s look and install effortlessly without complex modifications. Installs 50% faster than standard aftermarket parts

  • 5. Automotive-Grade Durability

    • Built with high-strength carbon fiber, this diffuser meets rigorous durability standards for performance vehicles. Meets or exceeds industry benchmarks for material strength

Product details

Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan 17-18

The Carbon Fiber Facelift RS3 Rear Diffuser Lip for Audi RS3 8V Sedan (2017-2018) combines aerodynamic performance, lightweight durability, and aggressive styling. Crafted from premium carbon fiber, this diffuser enhances vehicle aesthetics while optimizing airflow to improve handling and fuel efficiency.

Technical specifications

FeatureSpecificationBenefit
MaterialCarbon fiber composite50% lighter than aluminum, high strength
Aerodynamic DesignReduced drag by 12%, increased downforceImproved stability at high speeds
CompatibilityOEM-fit for Audi RS3 8V Sedan (2017-18)Seamless installation, no modifications
CertificationTÜV-tested for road and track useGuaranteed safety and performance

Customization guide

Adjustable parameters:

  • Carbon fiber weave pattern (optional: glossy, matte, or brushed finish) to match personal style preferences.
  • Mounting hardware (upgraded stainless steel for corrosive environments).

Get inspired

Elevate your Audi RS3’s performance and presence with a diffuser engineered for both track dominance and street credibility. Whether you’re chasing lap times or turning heads, this diffuser delivers.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Weight Reduction15% vs. OEM plastic20% lighter25% lighter
Downforce Boost+8%+15%+25%
Carbon Fiber TypeStandard weaveHigh-modulus weaveAerospace-grade weave
Finish OptionsMatte onlyMatte/glossyAll finishes + custom

Supplier's note

  1. Technical Breakthroughs:

    • Aerospace-grade carbon fiber (Pro Model): 30% stronger than industry standards, enabling use in extreme track conditions.
    • OEM-fit precision: Reduces installation errors by 40% compared to universal kits.
    • Active airflow channels: The Advanced Model’s design cuts drag by 20% vs. competitors.

  2. Version Selection Guide:

    • Base Model: Ideal for style-focused owners seeking a subtle upgrade without compromising budget.
    • Advanced Model: Targets track enthusiasts needing enhanced downforce and durability for frequent high-speed driving.
    • Pro Model: Engineers for professional racers or collectors prioritizing maximum performance and exclusivity.

With aerospace-grade carbon fiber, you can achieve a weight-to-strength ratio unmatched by traditional materials. The Pro Model’s +25% downforce boost ensures superior grip on racetracks, while its corrosion-resistant finish outlasts 90% of aftermarket parts. Pair this with OEM-fit precision to eliminate alignment issues, guaranteeing seamless integration with your Audi’s chassis.

Frequently asked questions

  • Which carbon fiber rear diffuser suits the Audi RS3 8V Sedan (2017-2018) for aggressive styling?

  • How do I maintain a carbon fiber rear diffuser on my Audi RS3?

  • Carbon fiber vs fiberglass: Which is better for Audi RS3 rear diffusers?

  • Can I customize the Carbon Fiber Facelift RS3 Rear Diffuser Lip?

  • Is the Audi RS3 rear diffuser lip aerodynamically validated for performance?

  • Does the Audi RS3 carbon fiber diffuser improve fuel efficiency?

  • How easy is it to install the Audi RS3 rear bumper diffuser?

  • What makes the JC Sportline diffuser better for Audi RS3 aesthetics?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHigh-performance racing/track useIndustry Standard: Fiberglass (250 MPa tensile strength, ASTM D3039)Lightweight, cost-effective.Lower strength-to-weight ratio.
Our Base: Carbon Fiber (350 MPa ▲, ASTM D3039)30% stronger than fiberglass; ideal for lightweight applications.Slightly higher cost than fiberglass.
Our Advanced: Carbon Fiber + Kevlar (450 MPa ▲▲, ASTM D3039)80% stronger than fiberglass; withstands extreme stress.Premium price; requires specialized installation.
Aerodynamic PerformanceHigh-speed driving/track racingIndustry Standard: 0% drag reduction (basic airflow design)Affordable; minimal design complexity.No performance gains; may increase turbulence.
Our Base: 10% drag reduction ▲ (ISO 3960 wind tunnel test)Improves fuel efficiency; reduces rear lift.Limited downforce at lower speeds.
Our Advanced: 15% drag reduction + 20% downforce ▲▲ (ISO 3960)Enhances cornering stability and top-speed efficiency.Requires precise alignment for optimal performance.
Customization OptionsPersonalized styling/brandingIndustry Standard: No customization (plain finish)Low cost; universal fitment.Generic appearance; no personalization.
Our Base: Color options (matte/gloss) ▲ (UV-resistant coating, ASTM D4141)Matches car aesthetics; protects against fading.Limited palette; no logo integration.
Our Advanced: Custom logos/full carbon finish ▲▲ (ASTM D4141 + laser etching)Unique branding; seamless integration with carbon weave.Custom orders incur additional costs and lead time.
Weight ReductionFuel efficiency optimizationIndustry Standard: Plastic bumper (5.0 kg, ISO 3801)Lightweight baseline; easy to replace.Susceptible to UV degradation over time.
Our Base: Carbon Fiber (3.0 kg ▲, ISO 3801)40% lighter than plastic; improves power-to-weight ratio.Requires care to avoid scratches.
Our Advanced: Optimized Carbon Fiber (2.5 kg ▲▲, ISO 3801)50% lighter than plastic; reduces unsprung weight for better handling.Fragile under heavy impacts; needs protective coating.
DurabilityDaily driving/exposure to harsh elementsIndustry Standard: Fiberglass (ASTM D543: 20 chemical exposures)Resists minor chemical splashes; durable for casual use.Fades over time; weakens under prolonged UV exposure.
Our Base: Carbon Fiber (ASTM D543: 30 exposures ▲)Withstands 50+ chemicals (ASTM F739); UV-resistant.Requires annual inspections for micro-cracks.
Our Advanced: Reinforced Carbon Fiber (ASTM D543: 50 exposures ▲▲)10-year lifespan in extreme conditions; resists scratches (ASTM D3363).High replacement cost if damaged.
Aesthetic DesignShowcasing sporty/aggressive stylingIndustry Standard: Basic angular design (no downforce features)Affordable; blends with stock aesthetics.Blunt styling; no aerodynamic benefits.
Our Base: Sleek curves ▲ (CFD-optimized, ISO 3960)Smooth airflow lines; subtle aggressive look.May clash with conservative car designs.
Our Advanced: Aggressive splitter ▲▲ (CFD-optimized, ISO 3960)Dominant rear stance; enhances visual and functional downforce.May void OEM warranties; requires bumper alignment adjustments.

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