
Banks 61431 Speedbrake with iDash 1.8 – Elevate Your LLY Duramax Experience
Transform your LLY Duramax truck with the Banks 61431 Speedbrake and iDash 1.8 combo – a powerful upgrade designed for both style and performance. The Speedbrake system not only enhances the aesthetic appeal of your truck but also significantly improves driving safety. It automatically reduces downhill speed by up to 78%, offering superior control and confidence on steep grades.
The iDash 1.8 complements the Speedbrake by providing real-time monitoring of critical engine and vehicle functions. This advanced gauge allows you to keep a vigilant eye on your truck's performance and health, ensuring it remains in peak condition.
Key Features:
- Enhanced Safety: The Speedbrake reduces downhill speed by up to 78%, enhancing driving safety and control.
- Real-Time Monitoring: The iDash 1.8 provides comprehensive monitoring of engine and vehicle functions, keeping you informed and in control.
- Stylish Upgrade: Adds both style and functionality to your LLY Duramax truck, making it a standout on the road.
- CARB E.O. Number: D-161-91 for compliance with California emissions regulations.
Upgrade your LLY Duramax with the Banks 61431 Speedbrake and iDash 1.8 for a blend of safety, performance, and style.

Banks 61431 Speedbrake with iDash 1.8 – Elevate Your LLY Duramax Experience
Transform your LLY Duramax truck with the Banks 61431 Speedbrake and iDash 1.8 combo – a powerful upgrade designed for both style and performance. The Speedbrake system not only enhances the aesthetic appeal of your truck but also significantly improves driving safety. It automatically reduces downhill speed by up to 78%, offering superior control and confidence on steep grades.
The iDash 1.8 complements the Speedbrake by providing real-time monitoring of critical engine and vehicle functions. This advanced gauge allows you to keep a vigilant eye on your truck's performance and health, ensuring it remains in peak condition.
Key Features:
Enhanced Safety: The Speedbrake reduces downhill speed by up to 78%, enhancing driving safety and control.
Real-Time Monitoring: The iDash 1.8 provides comprehensive monitoring of engine and vehicle functions, keeping you informed and in control.
Stylish Upgrade: Adds both style and functionality to your LLY Duramax truck, making it a standout on the road.
CARB E.O. Number: D-161-91 for compliance with California emissions regulations.
Upgrade yo[...]
Banks 61431 Speedbrake with iDash 1.8 – Elevate Your LLY Duramax Experience
Transform your LLY Duramax truck with the Banks 61431 Speedbrake and iDash 1.8 combo – a powerful upgrade designed for both style and performance. The Speedbrake system not only enhances the aesthetic appeal of your truck but also significantly improves driving safety. It automatically reduces downhill speed by up to 78%, offering superior control and confidence on steep grades.
The iDash 1.8 complements the Speedbrake by providing real-time monitoring of critical engine and vehicle functions. This advanced gauge allows you to keep a vigilant eye on your truck's performance and health, ensuring it remains in peak condition.
Key Features:
- Enhanced Safety: The Speedbrake reduces downhill speed by up to 78%, enhancing driving safety and control.
- Real-Time Monitoring: The iDash 1.8 provides comprehensive monitoring of engine and vehicle functions, keeping you informed and in control.
- Stylish Upgrade: Adds both style and functionality to your LLY Duramax truck, making it a standout on the road.
- CARB E.O. Number: D-161-91 for compliance with California emissions regulations.
Upgrade your LLY Duramax with the Banks 61431 Speedbrake and iDash 1.8 for a blend of safety, performance, and style.
Banks Power 61431 Installation Instructions