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  • S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
  • S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
  • S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
  • S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
  • S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
  • S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011
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S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011

  • 1 - 4 Sets
    $173
  • 5 - 9 Sets
    $165
  • 10 - 19 Sets
    $158
  • >= 20 Sets
    $153

Customization:

Customized logo（Min.Order: 10 pieces）
View product details

S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Aerodynamic Performance: The rear bumper diffuser is designed to reduce drag and enhance stability at high speeds, optimizing airflow for improved vehicle performance.
  • Aesthetic Enhancement: The stainless steel exhaust tips and modern, aggressive styling create a sporty and performance-oriented appearance, complementing the Audi A5/S5's design.

Key features

  • 1. Corrosion-Resistant Stainless Steel Exhaust Tips

    • With corrosion-resistant stainless steel exhaust tips, you can maintain a premium appearance and durability in harsh driving conditions.

  • 2. Aerodynamic Rear Diffuser Design

    • With an aerodynamic rear diffuser design, you can reduce drag and enhance high-speed stability.

  • 3. Quick-Release Clamp Installation System

    • With quick-release clamps, you can easily install or remove the diffuser without professional tools.

  • 4. Tailored Fit for Audi A5/S5 Models (2009-2011)

    • With a design specific to Audi A5/S5 (2009-2011), you can achieve a precise fit and sporty aesthetic.

  • 5. Reinforced Composite Material Construction

    • With a reinforced composite material body, you can withstand rigorous driving conditions and environmental exposure.

Product details

S5 Car Bodykit Diffuser for Audi A5 S5 Ordinary Edition 4 Doors Style Rear Bumper Diffuser with Tailpipe 2009 2010 2011

The S5 Car Bodykit Diffuser for Audi A5/S5 (2009–2011) combines aerodynamic performance and sleek aesthetics. Crafted from high-density plastic and stainless steel, this rear bumper diffuser and exhaust system enhances vehicle stability, reduces drag, and delivers a sporty upgrade for performance enthusiasts.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionHigh-density plastic (diffuser) + stainless steel (exhaust tips)Withstands daily driving, weather exposure, and performance conditions
Aerodynamic DesignCurved shape with optimized airflow channelsReduces drag by 15% for improved high-speed stability
CompatibilityUniversal fit for Audi A5/S5 (2009–2011)Ensures seamless installation across most models in the specified range
Exhaust SystemDual polished stainless steel tipsEnhances engine sound and aggressive styling for track or street use

Customization guide

Adjustable exhaust clamps allow easy installation/removal for style customization. The diffuser’s modular design accommodates minor modifications to fit specific trims or aftermarket modifications.

Get inspired

With its aggressive aerodynamic profile and polished stainless steel exhaust tips, this diffuser transforms your Audi’s rear aesthetics while improving performance. Ideal for enthusiasts seeking a balance of style, durability, and functional upgrades.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material QualityPlasticReinforced PlasticComposite + Steel
Aerodynamic EfficiencyStandard+15% drag reduction+30% drag reduction*
Corrosion ResistanceBasicEnhancedMilitary-grade
Weight4.5 kg4.2 kg (-7%)3.8 kg (-15%)

Supplier's note

  1. Technical Breakthroughs:

    • The Pro model’s composite material achieves 30% higher durability than traditional plastic, enabling use in extreme conditions.
    • The Advanced model’s reinforced plastic reduces weight by 7% compared to competitors, enhancing fuel efficiency.
    • Stainless steel exhaust tips in all models triple corrosion resistance, outperforming industry-standard aluminum designs.

  2. Version Selection Guide:

    • Base Model: Ideal for daily drivers prioritizing cost-effective upgrades without compromising aesthetics.
    • Advanced Model: Perfect for weekend track enthusiasts needing enhanced durability and reduced drag.
    • Pro Model: Tailored for performance-focused users requiring extreme durability (e.g., rally racing) and maximum aerodynamic gains.

*Pro Model’s drag reduction validated against OEM Audi A5/S5 specifications.

Frequently asked questions

  • Which rear bumper diffuser suits Audi A5/S5 models from 2009-2011?

  • How do I maintain the plastic rear bumper diffuser for longevity?

  • What’s the difference between plastic and stainless steel materials in car diffusers?

  • Can I customize the exhaust tips’ appearance or fitment?

  • Is this diffuser designed for performance or just aesthetics?

  • Does the diffuser require professional installation?

  • Are the stainless steel exhaust tips compatible with stock Audi systems?

  • How does the diffuser improve airflow compared to stock parts?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionVehicle customization, corrosion-prone regionsIndustry: Plastic (ASTM D648)Our Base: High-density plastic (ASTM D543, 50+ chemical exposures) ▲Our Advanced: Reinforced composite (ASTM D790, 100+ exposures) ▲▲
Aerodynamic PerformanceHigh-speed driving, track useIndustry: 5% drag reductionOur Base: 8% drag reduction ▲Our Advanced: 12% drag reduction ▲▲
Noise ReductionUrban commuting, noise-sensitive areasIndustry: 50 dB (louder than lawnmower)Our Base: 43 dB (quieter than refrigerator hum) ▲Our Advanced: 38 dB (whisper-level) ▲▲
Corrosion ResistanceCoastal regions, winter climatesIndustry: Stainless Steel 304 (ASTM A240)Our Base: Stainless Steel 304 (ASTM A240)Our Advanced: Stainless Steel 316 (ASTM A276) ▲▲
Installation ComplexityDIY enthusiasts, frequent customizationIndustry: Requires weldingOur Base: Clamp-fit (no drilling) ▲Our Advanced: Universal adaptive brackets ▲▲
Customization FlexibilityAesthetic upgrades, model-specific fitsIndustry: Model-specific designsOur Base: Universal fit (some trimming) ▲Our Advanced: Precision-fit (pre-drilled for Audi A5/S5) ▲▲

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