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  • CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust
  • CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust
  • CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust
  • CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust
  • CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust
  • CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust
CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust

CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust

  • 1 - 4 Sets
    $650
  • 5 - 9 Sets
    $560
  • >= 10 Sets
    $520
View product details

CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Performance Enhancement: The CSZ Exhaust system features a dual-outlet design and 1.5mm stainless steel construction to optimize exhaust flow, boosting horsepower and torque for enhanced vehicle responsiveness and acceleration.
  • Customizable Sound Control: Adjustable valves allow drivers to toggle between aggressive, high-performance exhaust notes and refined, discreet sounds, adapting to different driving scenarios.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

    • With a 1.5mm thick stainless steel body, ensure long-lasting durability in harsh environments while resisting rust and corrosion better than standard steel exhausts*.

  • 2. Adjustable Valves for Customizable Sound Performance

    • With integrated adjustable valves, switch between aggressive, high-performance exhaust tones and refined, discreet sounds to match driving scenarios or personal preference*.

  • 3. Dual-Outlet Design for Enhanced Power Output

    • With a dual-outlet configuration, boost horsepower and torque by optimizing exhaust flow, delivering faster acceleration and improved engine responsiveness compared to single-outlet systems*.

  • 4. Balanced Performance for Both Track and Daily Use

    • Designed for high-performance BMW 3 Series models, this system balances aggressive power demands for track driving with quiet, efficient operation for everyday commutes*.

  • 5. CE-Certified for Safety and Compliance

    • Certified to CE standards, ensuring adherence to safety, environmental, and quality regulations for seamless installation and use in certified markets*.

Product details

CSZ Exhaust for BMW 3 Series N20 B46 B48 F30/F31/F34/F35 G20/G21/G28 316I/318I/320I/325I/328I/330I 2.0T Valved Catback Exhaust

The CSZ Exhaust System for BMW 3 Series is engineered to deliver enhanced performance, durability, and customization. Crafted from premium materials and featuring a sleek design, it optimizes exhaust flow while offering adjustable sound control for a tailored driving experience.

Technical specifications

FeatureSpecificationBenefit
MaterialStainless Steel + Steel (1.5mm thickness)Corrosion resistance, high-temperature durability
DesignDual-outlet configurationImproved exhaust flow, increased horsepower/torque
Surface FinishPolished stainless steelAesthetic appeal, reduced light reflection
Valve SystemAdjustable exhaust valvesCustomizable exhaust note (aggressive/refined)
CertificationCE CertifiedMeets EU safety and environmental standards
Application ScenarioHigh-performance driving, daily useVersatile for track enthusiasts and commuters

Customization guide

Adjustable valves allow users to toggle between performance-oriented exhaust tones and quieter modes. The 1.5mm stainless steel thickness ensures structural integrity while balancing weight, making it adaptable for both track and everyday driving needs.

Get inspired

With CSZ’s dual-outlet design, you can enhance your BMW’s acceleration and sound profile. The polished finish and CE certification ensure both style and compliance, while the valve system lets you personalize your driving experience—whether you prioritize subtlety or seek a bold, aggressive tone.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material Grade304 Stainless Steel316 Stainless Steel316L + Titanium Coating
Valve ControlManual SwitchRemote + ManualVoice/Smartphone App
Sound Customization2 Preset Modes5 Preset Modes8+ Customizable Modes
Flow Efficiency180 m³/h+20% (216 m³/h)+35% (243 m³/h)*
Weight ReductionStandard-10%-20%

Supplier's note

  1. Technical Breakthroughs:

    • Adjustable Valves: Enable real-time sound modulation, reducing noise by 30% in urban areas while boosting performance on open roads.
    • Dual-Outlet Design: Achieves 20% faster exhaust flow than traditional single-outlet systems, directly improving engine responsiveness.
    • CE Certification: Ensures compliance with EU emissions and safety standards, a critical advantage for European markets.

  2. Version Selection Guide:

    • Base Model: Ideal for daily drivers seeking a balance of performance and affordability. Its manual valve control and 2 preset modes cater to casual enthusiasts.
    • Advanced Model: Targets drivers who demand remote control and expanded sound options. The 316 stainless steel offers superior corrosion resistance for coastal or harsh environments.
    • Pro Model: Designed for track-focused users. The voice-controlled valves and 35% enhanced flow efficiency, paired with lightweight materials, make it perfect for high-performance scenarios like racing or frequent highway driving.

*Pro Model’s flow efficiency exceeds industry benchmarks by 15%.

Frequently asked questions

  • Which CSZ Exhaust model is best for BMW 3 Series owners seeking a balance between performance and sound control?

  • How do I maintain the polished stainless steel finish of the CSZ Exhaust system?

  • Why is stainless steel preferred over regular steel in the CSZ Exhaust system?

  • Can the CSZ Exhaust system’s sound be customized for track vs. daily driving?

  • Is the CSZ Exhaust CE-certified and compatible with emissions standards?

  • How does the dual-outlet design improve engine performance in BMW 3 Series?

  • Does the CSZ Exhaust require professional installation, and what’s the expected performance gain?

  • Can I adjust the exhaust note between aggressive and subtle tones on the CSZ Exhaust?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-performance vehicles, extreme climatesIndustry Standard: 1.2mm steel (ISO 3506)
Our Base: 1.5mm stainless steel (ASTM A240)
Our Advanced: 1.8mm aerospace-grade stainless steel (SAE 304L)		▲1: Base: 25% thicker than standard (enhanced durability)
▲2: Advanced: 50% stronger corrosion resistance (tested in salt spray for 1,000+ hours)		Advanced: 15% heavier than standard (may affect vehicle weight balance)
Sound QualitySporty driving, luxury vehiclesIndustry Standard: 45 dBA (similar to lawnmower)
Our Base: 43 dBA (quieter than refrigerator hum)
Our Advanced: 40 dBA + adjustable valves (customizable sound profiles)		▲1: Base: 4 dB quieter than standard
▲2: Advanced: Switchable "sport" (48 dBA) and "quiet" modes		Advanced: Requires driver training to optimize valve settings
WeightFuel-efficient vehicles, compact designsIndustry Standard: 12 kg (carbon steel)
Our Base: 14 kg (stainless steel)
Our Advanced: 13.5 kg (lightweight alloy + 1.8mm gauge)		▲1: Base: 16% stronger than standard
▲2: Advanced: 5% lighter than base via optimized alloy		Base: 17% heavier than standard (potential impact on MPG)
CertificationsGlobal market complianceIndustry Standard: CE only
Our Base: CE + TÜV (TÜV Rheinland认证)
Our Advanced: CE + TÜV + SAE J1199 (exhaust longevity standard)		▲1: Base: 2 certifications vs. industry’s 1
▲2: Advanced: 3 certifications (proven 150,000 km lifespan)		Advanced: 30% higher R&D cost passed to consumer
CustomizationTrack racing, daily drivingIndustry Standard: Fixed exhaust note
Our Base: Manual valve control (2 positions)
Our Advanced: Electronically adjustable valves (7 presets via app)		▲1: Base: 2x more control options than standard
▲2: Advanced: Real-time tuning via smartphone app		Advanced: Requires smartphone integration (compatibility risks)
DurabilityHeavy-duty use, off-road vehiclesIndustry Standard: 5-year warranty (corrosion protection)
Our Base: 7-year warranty (ASTM B117 salt fog test)
Our Advanced: 10-year warranty + ceramic coating (ISO 12944)		▲1: Base: 40% longer warranty than standard
▲2: Advanced: 50% better heat resistance (up to 1,200°C)		Advanced: 20% higher repair costs due to specialized materials

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