The base Touring Edition package also includes suspension, brake and exhaust system upgrades as well as 19- or 20-inch alloy wheels, while the Challenge Edition comes with more hardcore components such as larger brakes with 6-piston callipers and ultra-lightweight forged aluminum wheels.
The STaSIS Signature S4 packages are available now from APS of Brackley, with prices starting at £12,500 including VAT (20%) and installation.
STaSIS Signature S4 Components
Signature S4 Touring Edition
- Exhaust - Quad outlet with tunable low RPM resonators
- Engine - Engine Tuning Software – performance increases to 410 bhp / 370 lb.ft
- Suspension – 1 inch lower, Increased spring rate, anti-roll bar kit and matched bushings & bump stops
- Brakes - Optional high-performance street pads and braided stainless steel lines
- Wheels – 20 inch x 8.5 inch lightweight cast aluminum wheels, Optional 19 inch x 9 inch lightweight cast aluminum wheels
- Tyres – High performance
Signature S4 Challenge Edition
- Exhaust - Quad outlet with tunable high RPM resonators (recommended for manual transmission)
- Engine - Engine Tuning Software – performance increases to 410 bhp / 370 lb.ft
- Suspension - Ohlins SL dampers, increased spring rate and high performance anti-roll bar kit
- Brakes - 6-piston Alcon monobloc calipers, 370 mm 2-piece discs (390-mm optional), stainless steel brake lines & high-performance pads
- Differential - high-bias centre differential (manual transmission only)
- Wheels – 20 inch x 9.5 inch ultra-lightweight forged aluminum wheels
- Tyres – extreme performance
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