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Back In Stock Dirty Air "fast-up" Rear Air Suspension System - Limited Release [B1ciCWtG]

$83.99 $268.99 -69%

Back In Stock Dirty Air "fast-up" Rear Air Suspension System - Limited Release [B1ciCWtG] The Back In Stock Dirty Air "fast-up" Rear Air Suspension System - Limited Release [B1ciCWtG] is a game-changer for Harley touring models, offering a swift and efficient solution for lifting your bike's rear in just 1 second. This innovative syst

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Back In Stock Dirty Air "fast-up" Rear Air Suspension System - Limited Release [B1ciCWtG]

Back In Stock Dirty Air "fast-up" Rear Air Suspension System - Limited Release [B1ciCWtG]

The Back In Stock Dirty Air "fast-up" Rear Air Suspension System - Limited Release [B1ciCWtG] is a game-changer for Harley touring models, offering a swift and efficient solution for lifting your bike's rear in just 1 second. This innovative system stands out from traditional tankless systems, which typically take 12-15 seconds to achieve the same lift. With a redesigned, easy-to-install kit, the "FAST-UP" system includes a larger tank with a built-in manifold, a more powerful compressor, and a safety valve for added peace of mind.
  • Quick lift time: Achieve a lift in approximately 1 second, compared to the standard 12-15 seconds.
  • Optimized design: Redesigned for performance, reliability, and ease of installation.

Key Features and Specifications

The DIRTY AIR "FAST-UP" kit is tailored for Harley touring models, providing a complete system that effortlessly replaces stock touring shocks with height-adjustable air shocks. This system allows you to lower your bike 2 to 3 inches with all air released, then easily adjust to stock ride height in about 1 second. The DIRTY AIR shocks offer exceptional ride quality and performance, featuring ultra-durable air bags and push-to-connect fittings for easy installation.
  • Complete system: Assembles to replace stock touring shocks with height-adjustable air shocks.
  • Adjustable ride height: Lower your bike up to 3 inches and adjust to stock height in 1 second.

Custom and Reliable Solution

The "FAST-UP" system includes a black standard air compressor that is compact, powerful, and reliable. The larger compressor is perfectly suited for filling the tank efficiently, using the same design as our fast front+rear systems. The custom-built stainless steel tank resists corrosion and includes mounting brackets for easy installation on the fender strut/saddlebag/fender support. The system also features stainless steel braided airline connections for durability and ease of installation.
  • High-quality components: All nickel-plated brass high-flow and stainless steel high-pressure push-to-connect fittings.
  • Custom fitment: Designed specifically for Harley touring models, offering a bolt-on solution for all components.

What Our Customers Say

January 26, 2026

Absolutely no complaints!

I'm happy with the quality.

- Alicia M..

January 26, 2026

Absolutely no complaints!

So much better than I anticipated.

- Valeria W..

January 26, 2026

Absolutely no complaints!

I'm very satisfied with my final choice.

- Leon Q..

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