VW MK4 / Audi TT Tubular Subframe

Just Engineering VW Mk4 / Audi TT Tubular Subframe

After five years of rigorous development, Just Engineering has produced the ultimate tubular subframe for the VW Mk4 and Audi TT platforms. This fully engineered design achieves a 25% weight reduction over the factory unit while maximizing rigidity, providing a transformative upgrade for both track-focused builds and spirited street cars.

Beyond weight savings, this subframe re-engineers your suspension geometry. By raising the lateral roll center, it increases front lateral roll stiffness, significantly reducing body roll. This allows for flatter cornering without the need for excessively stiff springs, making it an essential modification for any lowered vehicle seeking improved handling and a more precise driving feel.

Key Features

• Lightweight & Rigid: Engineered to be 25% lighter than the stock unit while offering superior structural rigidity.
• Optimized Geometry: Features two mounting points; an inner point raised by 1" to correct roll center and a second point moved outwards by 3/4" to increase camber by approximately 3 degrees.
• Premium Construction: Fabricated using first-grade USA 4130 seamless chromoly tubing for maximum strength and durability.
• Direct Chassis Mounting: Mounts directly to the chassis, eliminating rubber bushings to provide the driver with the most precise steering feedback possible.
• OEM Compatibility: Fully compatible with stock Mk4 control arms and the stock transmission mount (dog bone).
• Stock Rack Placement: The rack and pinion remains in the stock location to maintain original clearance for downpipes and surrounding components.

Fitment / Applications

• Volkswagen Golf/GTI/Jetta Mk4
• Audi TT (8N)

Notes

• Correcting the roll center will increase bump steer; Just Engineering recommends their RaceKit package to correct this entirely.
• New hardware is provided to complete the installation.