
TRE Pre-Preg Carbon Fiber Rear Diffuser Set - BMW / G26 / 4 Series Gran Coupe
Aggressive Styling and Aerodynamic Enhancement with Lightweight Carbon Fiber
Upgrade the rear profile and aerodynamic performance of your BMW 4 Series Gran Coupe G26 with the TRE Pre-Preg Carbon Fiber Rear Diffuser Set. Designed for a bold, motorsport-inspired look, this diffuser optimizes airflow, improves downforce, and adds an aggressive aesthetic to the rear profile. Crafted from premium pre-preg carbon fiber, it ensures lightweight strength, precision fitment, and a flawless high-gloss finish.
Key Features
Premium Pre-Preg Carbon Fiber Construction
Made from 2x2 twill weave pre-preg carbon fiber for superior strength, reduced weight, and long-lasting durability.
Aerodynamic Enhancement
Optimizes rear airflow, reduces drag, and improves downforce for enhanced high-speed stability and cornering performance.
Aggressive Styling
Adds a bold, race-inspired aesthetic to the rear profile, enhancing the vehicle’s sporty and dynamic appearance.
OEM-Like Fitment
Precision CAD-engineered for a seamless, factory-like fit with no major modifications required.
UV-Resistant Gloss Finish
Coated with a high-gloss, UV-resistant clear coat to protect against fading, yellowing, and discoloration over time.
Compatibility
- BMW 4 Series Gran Coupe G26 (2021+)
Installation
- Direct bolt-on installation using factory mounting points.
- No major modifications required.
- Professional installation is recommended for optimal fitment and alignment.
What’s Included?
- 1 x TRE Pre-Preg Carbon Fiber Rear Diffuser Set
- Mounting hardware (if applicable)
Why Choose TRE Carbon Fiber?
- Crafted with industry-leading pre-preg carbon fiber for strength, durability, and lightweight performance.
- Precision-engineered for an OEM-like fit and seamless integration.
- Enhances rear-end styling while improving aerodynamic performance.
- Backed by a two-year manufacturer’s warranty for peace of mind.
Aggressive Styling and Aerodynamic Enhancement with Lightweight Carbon Fiber
Upgrade the rear profile and aerodynamic performance of your BMW 4 Series Gran Coupe G26 with the TRE Pre-Preg Carbon Fiber Rear Diffuser Set. Designed for a bold, motorsport-inspired look, this diffuser optimizes airflow, improves downforce, and adds an aggressive aesthetic to the rear profile. Crafted from premium pre-preg carbon fiber, it ensures lightweight strength, precision fitment, and a flawless high-gloss finish.
Key Features
Premium Pre-Preg Carbon Fiber Construction
Made from 2x2 twill weave pre-preg carbon fiber for superior strength, reduced weight, and long-lasting durability.
Aerodynamic Enhancement
Optimizes rear airflow, reduces drag, and improves downforce for enhanced high-speed stability and cornering performance.
Aggressive Styling
Adds a bold, race-inspired aesthetic to the rear profile, enhancing the vehicle’s sporty and dynamic appearance.
OEM-Like Fitment
Precision CAD-engineered for a seamless, factory-like fit with no major modifications required.
UV-Resistant Gloss Finish
Coated with a high-gloss, UV-resistant clear coat to protect against fading, yellowing, and discoloration over time.
Compatibility
- BMW 4 Series Gran Coupe G26 (2021+)
Installation
- Direct bolt-on installation using factory mounting points.
- No major modifications required.
- Professional installation is recommended for optimal fitment and alignment.
What’s Included?
- 1 x TRE Pre-Preg Carbon Fiber Rear Diffuser Set
- Mounting hardware (if applicable)
Why Choose TRE Carbon Fiber?
- Crafted with industry-leading pre-preg carbon fiber for strength, durability, and lightweight performance.
- Precision-engineered for an OEM-like fit and seamless integration.
- Enhances rear-end styling while improving aerodynamic performance.
- Backed by a two-year manufacturer’s warranty for peace of mind.
Original: $1,730.95
-70%$1,730.95
$519.28Description
Aggressive Styling and Aerodynamic Enhancement with Lightweight Carbon Fiber
Upgrade the rear profile and aerodynamic performance of your BMW 4 Series Gran Coupe G26 with the TRE Pre-Preg Carbon Fiber Rear Diffuser Set. Designed for a bold, motorsport-inspired look, this diffuser optimizes airflow, improves downforce, and adds an aggressive aesthetic to the rear profile. Crafted from premium pre-preg carbon fiber, it ensures lightweight strength, precision fitment, and a flawless high-gloss finish.
Key Features
Premium Pre-Preg Carbon Fiber Construction
Made from 2x2 twill weave pre-preg carbon fiber for superior strength, reduced weight, and long-lasting durability.
Aerodynamic Enhancement
Optimizes rear airflow, reduces drag, and improves downforce for enhanced high-speed stability and cornering performance.
Aggressive Styling
Adds a bold, race-inspired aesthetic to the rear profile, enhancing the vehicle’s sporty and dynamic appearance.
OEM-Like Fitment
Precision CAD-engineered for a seamless, factory-like fit with no major modifications required.
UV-Resistant Gloss Finish
Coated with a high-gloss, UV-resistant clear coat to protect against fading, yellowing, and discoloration over time.
Compatibility
- BMW 4 Series Gran Coupe G26 (2021+)
Installation
- Direct bolt-on installation using factory mounting points.
- No major modifications required.
- Professional installation is recommended for optimal fitment and alignment.
What’s Included?
- 1 x TRE Pre-Preg Carbon Fiber Rear Diffuser Set
- Mounting hardware (if applicable)
Why Choose TRE Carbon Fiber?
- Crafted with industry-leading pre-preg carbon fiber for strength, durability, and lightweight performance.
- Precision-engineered for an OEM-like fit and seamless integration.
- Enhances rear-end styling while improving aerodynamic performance.
- Backed by a two-year manufacturer’s warranty for peace of mind.






