Integrated Engineering Lowering Springs - Audi B9/B9.5 A4/S4

THE SCIENCE OF STANCE.

Your Audi deserves better than the 'lifted' factory look. We obsessed over the measurements to calculate a drop that doesn't just lower the car, it corrects it. By eliminating the factory reverse rake, we’ve achieved a flush, aggressive fender-to-tire fitment that looks right while retaining functional clearance for real-world driving.

STAY FLAT. STAY STUCK.

Body roll is the enemy of grip. iE Performance Springs use carefully tuned rates that keep the chassis flat and composed through high-G corners, keeping the car glued to the pavement.

GOODBYE, UNDERSTEER.

You’ll feel it in the very first turn. By rebalancing the front-to-rear spring rates, we sharpened turn-in and dialed down the understeer. Squat is minimized. Dive is controlled. The car simply goes where you point it, instantly.

PROGRESSIVE PERFECTION

Performance shouldn’t punish you. Our progressive rate design remains compliant over road imperfections, then ramps stiffness under load. The result is confident body control without the bounce, crash, or harshness of poorly designed springs.

SET AND FORGET

These springs are built for owners who drive their cars. Engineered to work seamlessly with OEM dampers, Chrome Silicon alloy construction ensures sag-free, consistent performance for the long haul.

Features:

• Calibrated Sport Drop of Approximately:
  
  • A4 S-Line: ½ Inch Front, 1 ¼ Inch Rear
    
  • A4: 1 ⅛ Inch Front, 1 ¼ Inch Rear
    
  • S4: 1 ⅛ Inch Front, ⅞ Rear
• Spring Rates: Performance Progressive Rate of 558 lbf/in Front, and 515 lbf/in in the rear.
• Material: High-Tensile Chrome Silicon Spring Steel

What's Included:

• Integrated Engineering Lowering Springs