Flatout Suspension Porsche 997 C4 [SR]

DISCLAIMER: This is a made to order item. The lead time for this product is 4-8 weeks.

Porsche 997 C4 SR Coilovers – Street Comfort & Precision

The Flatout SR Coilover system is engineered for Porsche 997 C4 owners seeking street-focused comfort with precise handling and adjustable ride height. Lower your vehicle 0.5”–2.0” front and rear to achieve an aggressive stance and improved suspension geometry while maintaining daily drivability.

Featuring rebuildable monotube shocks, linear rate springs, and premium Bilstein pistons, these coilovers are built for reliability, performance, and long-term serviceability.

Key Features

• Height Adjustable → Front & rear lowered 0.5”–2.0” for style and handling precision.

• Bilstein Piston Design → Smooth, reliable damping optimized for street use.

• Rebuildable Monotube Shocks → Serviceable for long-term performance and tuning flexibility.

• Linear Rate Springs → Balanced handling with consistent ride quality.

• Electro-Plated Steel Cartridge → Corrosion-resistant for durability.

• CNC Machined High-Flow Aluminum Piston & Stainless Steel Shims → Precision engineering for smooth operation.

• Radial Bearing on Front Assembly → Enhanced steering response and reduced friction.

• Dual Height Adjustable & 20-Point Rebound Adjustable → Customize suspension for comfort or sportier driving.

• Camber / Pillowball Upper Mounts Standard → Track-ready alignment adjustment.

• Sensor Line Brackets on Lower Mounts → Maintains compatibility with factory sensors.

• Individual Parts Available → Easy service or future upgrades.

• 3-Year Warranty Against Defects → Confidence in quality and reliability.

• PASM System → Requires electronic bypass if equipped.

Why Choose SR Coilovers?

• Street-Focused Comfort → Smooth, controlled ride for daily driving.

• Customizable Suspension → Adjustable height and rebound to match your driving style.

• Durable & Serviceable → Premium materials and rebuildable shocks for long-term use.

• Modular Design → Upgrade or replace individual components as needed.

Flatout SR Coilovers give your Porsche 997 C4 the perfect balance of lowered style, street comfort, and precise handling — a complete suspension solution for enthusiasts who want performance without compromising daily drivability.