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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram

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U11
Product Information
Product Information
Aluminium skid plate

Fits

Porsche 955 Cayenne - 2003 to 2006 
Porsche 957 Cayenne - 2007 to 2010  (not Diesel)
Porsche 958 Cayenne - 2010 to 2017  (not Diesel)

Product Description
Rennline’s Aluminum Skid Plate is the ultimate protection for your 955, 957 and 958 Porsche Cayenne, shielding both the engine and transfer case from off-road hazards.
Crafted from 1/4" 5052 aluminum, this skid plate provides lightweight yet durable protection against rocks, debris and rough terrain. Designed for serious off-roaders and overlanders, it helps prevent costly damage, enhances durability, and ensures you can tackle any trail with confidence. Built to handle the toughest conditions,

Rennline’s skid plate is a must-have upgrade for your Cayenne’s underbody defense.

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About Undertrays and Skid Plates

Undertrays & Skid Plates |- Critical Protection for Motorsport & Off-Road Driving

Undertrays and skid plates are designed to shield vital vehicle components—such as the engine, transmission, exhaust, and suspension—from impacts, debris, and ground strikes during motorsport and off-road driving. By absorbing and deflecting impacts, these protective panels help prevent costly mechanical damage while allowing confident operation over rough terrain and competitive stages.

Available from Design911, undertrays and skid plates are manufactured from durable materials to deliver maximum protection without compromising performance or airflow.

What Do Undertrays & Skid Plates Do?

Underbody protection components safeguard critical systems and structures.

Core Functions:

  • Protect engine, gearbox, and drivetrain components
  • Deflect rocks, debris, and ground impacts
  • Reduce risk of punctures and mechanical damage
  • Maintain vehicle reliability in harsh conditions
  • Support safe, aggressive off-road and motorsport driving

They are essential for vehicles exposed to uneven terrain or competitive environments.

Why Do Undertrays & Skid Plates Fail?

Undertrays and skid plates absorb repeated impacts and environmental exposure.

Common Causes of Failure:

  • Impact deformation from rocks or obstacles
  • Metal fatigue or cracking after repeated strikes
  • Mounting point damage or fastener failure
  • Corrosion from water, mud, and road salt
  • Poor-quality materials or incorrect fitment

Damaged protection can expose critical components to serious risk.

When Should Undertrays & Skid Plates Be Replaced?

Undertrays and skid plates should be replaced when:

  • Cracks, bends, or holes are visible
  • Mounting points become loose or damaged
  • Protection no longer sits flush or secure
  • Preparing for more demanding off-road use
  • Upgrading to heavier-duty protection systems

Routine inspection and timely replacement maintain vehicle protection and reliability.

Highlights

  • Motorsport- and off-road–ready underbody protection
  • Shields critical mechanical components
  • Durable construction for extreme conditions
  • Improves reliability and confidence off-road

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