Skip to product information
1 of 4

The Carbon Lab

Carbon Fiber Rear Diffuser - Porsche 911 991.1 Turbo / Turbo S 2014-2016 & 991.2 Turbo / Turbo S 2017-2019

Carbon Fiber Rear Diffuser - Porsche 911 991.1 Turbo / Turbo S 2014-2016 & 991.2 Turbo / Turbo S 2017-2019

Regular price $2,499.99
Regular price Sale price $2,499.99
Sale Sold out
Shipping calculated at checkout.
Quantity
  • Free Shipping Worldwide
  • Financing Available
  • 14 day Return

Description

Upgrade the rear profile of your Porsche 911 991 Turbo or Turbo S with this Carbon Fiber Rear Diffuser, designed specifically for the wide-body 991.1 and 991.2 Turbo platforms. Featuring integrated quad exhaust openings and pronounced diffuser fins, this replacement-style rear diffuser gives the 911 a more aggressive motorsport-inspired appearance while complementing the factory rear bumper design.

Constructed from premium carbon fiber with an exposed 2x2 twill weave, the diffuser combines lightweight construction with a high-end performance aesthetic. Its sculpted center section and vertical fins help visually emphasize the width of the Turbo rear end while maintaining clearance around the factory-style exhaust outlets.

Key Specs

Material Carbon Fiber
Product Type Rear Diffuser
Weave 2x2 Twill Carbon Fiber
Finish Gloss Carbon Fiber
Design Finned Rear Diffuser with Quad Exhaust Openings
Fitment Porsche 911 991.1 / 991.2 Turbo & Turbo S
Model Years 2014-2019
Position Rear Lower Bumper
Installation Replacement-Style Installation
Quantity 1 Rear Diffuser
Condition Brand New

Features

  • Premium Carbon Fiber Construction: Manufactured from lightweight carbon fiber for a rigid structure and distinctive performance-oriented appearance.
  • 2x2 Twill Weave: Exposed carbon fiber weave provides a premium finish that complements other exterior carbon fiber components.
  • Aggressive Finned Design: Sculpted center fins create a more pronounced motorsport-inspired rear profile.
  • Integrated Exhaust Openings: Designed around the quad exhaust outlet arrangement used on Porsche 911 Turbo and Turbo S models.
  • Turbo-Specific Geometry: Shaped to follow the wider rear bumper profile of the Porsche 991 Turbo platform.
  • Rear Aero Styling: The finned lower section is designed to manage the visual and aerodynamic flow beneath the rear bumper.
  • Lightweight Construction: Carbon fiber construction minimizes unnecessary added weight while retaining structural rigidity.
  • Gloss Carbon Fiber Finish: High-gloss surface highlights the carbon weave and delivers an OEM+ performance appearance.
  • Motorsport-Inspired Appearance: Gives the rear of the 911 a lower, wider and more aggressive stance.

Includes

  • 1 × Carbon Fiber Rear Diffuser
  • Integrated Quad Exhaust Surround Openings
  • Mounting Hardware, if supplied

Fitment

  • Porsche 911 991.1 Turbo - 2014-2016
  • Porsche 911 991.1 Turbo S - 2014-2016
  • Porsche 911 991.2 Turbo - 2017-2019
  • Porsche 911 991.2 Turbo S - 2017-2019

Fitment Note: Designed for Porsche 911 991 Turbo and Turbo S models equipped with the corresponding wide-body rear bumper and quad exhaust outlet configuration. This diffuser is not intended for narrow-body Carrera models. Verify your rear bumper and exhaust configuration before ordering.

Installation

This diffuser is designed as a replacement-style component for the factory lower rear bumper section. Professional installation is recommended to ensure correct alignment around the exhaust outlets, secure mounting and proper bumper fitment. Factory clips, brackets or fasteners may need to be transferred from the original diffuser depending on the vehicle configuration.

Production & Shipping

  • Lead Time: 2 weeks
  • Delivery: 1 week
  • Returns: Allowed within 10 days after delivery
  • Replacements: Only for items damaged on arrival

Care Guide

Regular Cleaning: Clean the carbon fiber surface with a soft microfiber cloth and mild soap mixed with water. Avoid abrasive cleaners or rough materials that could scratch the finish.

Use Microfiber Cloths: Use clean microfiber cloths when washing, drying or applying protective products to help preserve the carbon fiber surface.

Protect From Sun and Chemicals: Avoid prolonged exposure to harsh chemicals and excessive direct sunlight whenever possible to help preserve the gloss carbon fiber finish.

Features

• Carbon Fiber Construction
• 2x2 Twill Weave
• Gloss Carbon Fiber Finish
• Aggressive Finned Rear Diffuser Design
• Integrated Quad Exhaust Openings
• Lightweight Construction
• Turbo-Specific Fitment
• Motorsport-Inspired Styling

View full details