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Exhaust Pipes
  • CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe
  • CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe
  • CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe
  • CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe
  • CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe
  • CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe
CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe

CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe

  • 1 - 4 Sets
    $400
  • 5 - 19 Sets
    $320
  • >= 20 Sets
    $250
View product details

CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Performance Enhancement: Designed with a twin exhaust system and Y-pipe connection to reduce backpressure, optimizing airflow and boosting engine power output for the Mercedes-Benz CLS550 W218.
  • Durability & Heat Resistance: Constructed from 1.5mm thick stainless steel with a heat shield surface, ensuring resistance to high temperatures, corrosion, and environmental wear for long-term reliability.
  • Sound Optimization: Free-flow design delivers an enhanced, resonant exhaust note, balancing performance and acoustic appeal for high-performance vehicles.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With corrosion-resistant stainless steel and heat-shield coating, you can ensure durability in extreme temperatures and harsh driving conditions. The 1.5mm thick construction is ~30% thicker than standard exhaust pipes*, providing enhanced longevity against rust and deformation.

  • 2. Performance-Enhancing Y-Pipe Design

    • With a Y-pipe configuration and 1.5mm thick stainless steel body, you can reduce exhaust backpressure by ~20% compared to OEM systems*, boosting engine power output and improving throttle response. The design optimizes gas flow for high-performance driving.

  • 3. CE-Certified Safety & Compliance

    • With CE certification, you can guarantee compliance with EU safety and emissions standards. The heat-shield surface minimizes radiant heat transfer, reducing fire risks and protecting adjacent components.

  • 4. Flexible & Modular Installation

    • With a flexible, modular design, you can adapt to tight engine bay spaces and simplify maintenance or part replacements. The clamped connections allow easy disassembly, unlike rigid alternatives*.

  • 5. Vehicle-Specific Precision Engineering

    • With Mercedes-Benz CLS550 W218 Biturbo M278 compatibility, you can achieve a precise fit for 2012-2018 models. The design is optimized for the 4.7T engine’s high-performance demands, ensuring seamless integration and enhanced acoustic performance.

Product details

CSZ for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T 2012-2018 Free Flow Exhaust Downpipe Straight Pipe

The CSZ Downpipes for Mercedes-Benz CLS550 W218 Biturbo M278 4.7T (2012-2018) combine performance optimization with robust engineering. Crafted from stainless steel and steel, these free-flow exhaust downpipes feature a heat shield, Y-pipe connection, and modular design to enhance engine efficiency, reduce backpressure, and withstand extreme thermal conditions.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless steel + steelCorrosion resistance and durability in harsh environments
Thickness1.5mmStructural integrity for high-performance engines
Heat ShieldCeramic fiber-wrapped surfaceReduces radiant heat transfer to vehicle components
CertificationCE compliantMeets EU safety and emissions standards
DesignTwin exhaust + Y-pipe connectionOptimizes exhaust gas flow for reduced backpressure
ModularitySegmented constructionEasy installation, maintenance, and part replacement
Clamping SystemReinforced steel clampsSecure fitment to prevent leaks and vibrations

Customization guide

  • Adjustable Length/Angles: Customize pipe geometry to fit chassis constraints or aftermarket modifications.
  • Material Thickness: Upgrade to 2.0mm steel for heavy-duty applications requiring enhanced load resistance.
  • Heat Shield Material: Specify ceramic vs. metallic wraps based on thermal management priorities.

Get inspired

Enhance your CLS550’s performance with CSZ downpipes. The twin exhaust design and Y-pipe connection deliver a free-flow exhaust note while boosting horsepower. The heat shield ensures safety in high-temperature zones, making it ideal for track use or aggressive driving.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material Thickness1.5mm steel2.0mm stainless steel2.5mm dual-layer steel
Heat Resistance800°C950°C1,100°C*
Backpressure Reduction15% vs. OEM25% vs. OEM35% vs. OEM
Sound QualityOEM-like toneSporty raspAggressive exhaust note

Supplier's note

  1. Technical Breakthroughs:

    • The Y-pipe design reduces backpressure by 35% in the Pro Model, unlocking 20+ HP gains.
    • Ceramic heat shielding (Pro) achieves 1,100°C resistance—30% higher than industry norms—preventing underbody heat damage.
    • Modular segments enable 40% faster installation compared to welded alternatives.

  2. Version Selection Guide:

    • Base Model: Ideal for daily drivers prioritizing OEM-like sound and cost efficiency.
    • Advanced Model: Targets enthusiasts seeking a sporty tone and 25% power boost without extreme modifications.
    • Pro Model: Engineers for track use or turbocharged engines; its 2.5mm thickness and ceramic shield ensure reliability under prolonged high-stress conditions.

With the Pro Model’s 1,100°C heat resistance, you can sustain extreme engine temperatures during drag racing. The Advanced Model’s 25% backpressure reduction paired with its stainless steel construction delivers a balance of performance and longevity for weekend track days.

Frequently asked questions

  • Which exhaust downpipe suits Mercedes-Benz CLS550 W218 Biturbo M278 4.7T (2012-2018) for performance enhancement?

  • How to clean and maintain CSZ stainless steel exhaust downpipes with heat shield?

  • Stainless Steel vs Steel: Which material is better for Mercedes exhaust downpipes?

  • Can CSZ downpipes for Mercedes CLS550 be customized with heat wrapping or fitment adjustments?

  • Is the CSZ exhaust downpipe CE-certified for European vehicle standards?

  • Does the CSZ twin exhaust downpipe improve sound quality for the M278 engine?

  • What thickness and material make CSZ downpipes durable for high-heat turbo engines?

  • Are CSZ exhaust downpipes easy to install on a Mercedes-Benz CLS550 W218?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Exhaust PipesGeneral vehicle maintenance, budget upgradesSteel (1.2mm thickness, ASTM A36)
No heat shield
15% backpressure reduction		Cost-effective, widely compatibleProne to corrosion (ASTM G48)
Noisier (45 dBA)
Limited performance gains
CSZ Base Exhaust DownpipeDaily drivers seeking moderate performance upgradesStainless Steel 304 (1.5mm)
Heat shield (ISO 17025)
20% backpressure reduction▲
CE certified		Durable (ASTM A240)
Quieter (43 dBA)
Improved flow (ISO 5167)		Heavier than aluminum
Installation requires tools▲
Basic heat resistance
CSZ Advanced Exhaust DownpipeHigh-performance vehicles, track use, premium sound qualityStainless Steel 316 (2.0mm)▲▲
Ceramic heat wrap (ISO 13765)
30% backpressure reduction▲▲
TÜV + CE certified		Extreme durability (ASTM A240)
Ultra-quiet (40 dBA)
Heat resistance up to 800°C▲▲		Higher cost▲▲
Heavier than lightweight options
Specialized installation▲
Aluminum Exhaust SystemsLightweight vehicles, racing applicationsAluminum 6061-T6 (1.8mm)
Lightweight (15% lighter than steel)
18% backpressure reduction		Lightweight▲
Cost-effective for racing▲		Corrosion-prone (ASTM B209)
Less durable at high temps▲▲
No heat shielding
High-Performance Titanium ExhaustTrack racing, extreme performanceTitanium Grade 2 (1.6mm)
Extreme heat resistance (ASTM B348)
35% backpressure reduction▲▲▲		Ultra-lightweight▲▲▲
Heat resistance up to 900°C▲▲▲
Long lifespan▲▲▲		Exceedingly expensive▲▲▲
Fragile (brittle at impact)
Special tools required▲▲
Lightweight Composite ExhaustsSUVs, trucks prioritizing weight reductionStainless-Steel/Aluminum composite (1.4mm)
18% backpressure reduction
Hybrid durability▲		Balanced weight/durability▲
Cost-effective for large vehicles▲		Moderate performance gains▲
Complex manufacturing▲
Less heat resistance▲▲

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