Stasis Engineering is debuting a number of enhancement packages in the UK under the Signature series program which aims at the latest generation Audi S4.
The STaSIS Signature Audi S4 is offered in two different versions, both increasing performance from 333 bhp (344 lb-ft) of torque to 410 bhp (370 lb-ft).
The first is called the Signature S4 Touring Edition and features a quad pipe exhaust system, a tweaked suspension which also positions the car 1 inch closer to the ground, 20 inch aluminium alloys wrapped in high performance tires and a series of upgrades for the brakes.
The second package available for the STaSIS Signature Audi S4 is named the Challenge Edition, and besides the features mentioned above it also contains a high-bias centre differential for the manual transmission model, performance brakes with 6-piston monobloc callipers and 370 mm 2-piece discs plus Ohlins SL dampers for the suspension and a high performance anti-roll bar kit.
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
Stasis press release :
Brackley, Northamptonshire, 21st February 2011
Now available from leading independent Audi specialist APS of Brackley, North American VAG performance house STaSIS Engineering debuts its impressive Signature series of Audi enhancement packages in the UK with the Signature Series S4.
STaSIS’s unique blend of cohesive powertrain and dynamic suspension and braking upgrades elevates the supercharged Audi S4 to the top of its performance class.
STaSIS’s engineers have carefully developed the 2010 onwards Audi S4’s supercharged V6, 3.0-litre TFSI engine, increasing performance from a measured standard 333 bhp / 344 lb.ft of torque to a scintillating 410 bhp / 370 lb.ft.
The STaSIS Signature S4 is available now from APS of Brackley, in two versions:-
The Touring Edition combines the significant power and torque increase with aggressive suspension and bespoke wheels to Audi’s signature sports saloon to deliver additional poise and grace.
The Challenge Edition refines the Touring package with additional racing technology for the road. Everything STaSIS’s engineers have learned at the racetrack has been distilled into an S4 upgrade package that’s also been specified to be civilised for town driving.
From concept to production each new STaSIS component is rigourously tested to ensure maximum performance and factory levels of reliability.
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
STaSIS Signature S4 Performance Specifications:-

  Factory  STaSIS Touring Edition    STaSIS Challenge Edition
Power: 333 bhp*  410 bhp    410 bhp
Torque:  344 lb.ft   370 lb.ft 370 lb.ft
0-60 mph:  4.9 sec  4.5 sec   4.5 sec
Lateral accel’: 0.86 G  0.92 G     1.0 G
Brake decel’: 0.90 G  0.95 G  1.0 G

The STaSIS Signature S4 packages are available now exclusively from
APS of Brackley, with prices starting at £12,500 including VAT @ 20% and
installation.
Customers are also able to purchase individual Audi S4 STaSIS
Signature series components from APS of Brackley on a piecemeal basis,
with prices available on request.
STaSIS and APS of Brackley
APS of Brackley, Britain’s leading independent VAG specialist is
delighted to announce that it has been appointed as UK distributor for
the prestigious STaSIS brand of performance upgrades for Audi and VW
cars.
STaSIS is renowned in the USA for creating some of the most cohesive,
well engineered conversions to current VAG models, which are now
available in over 60 Audi dealerships across North America and through
hundreds of independent dealers throughout the world. Now we invite you
to experience this outstanding product range here in the UK, exclusively
from APS of Brackley.
Based in Summit Point Raceway, at Summit Point, West Virginia, USA,
STaSIS Engineering is dedicated to providing automotive performance
distinction to the mainstream Audi / VW enthusiast. STaSIS specialises
in exclusive performance-enhancing brake, suspension, driveline and
engine products leveraging race-bred technologies from in house
motorsport experience and top-tier race manufacturers.
The impressive STaSIS portfolio includes high-performance parts for
Audi R8, TT, S5, S4, A6, A5, A4 and A3 models, as well as other
Volkswagen Audi Group (VAG) products. STaSIS’s commitment to the highest
quality automotive performance products backed by original equipment
manufacturer servicing allows STaSIS to bring the performance and
distinction of exotic car ownership, but with the cost and convenience
of a mainstream car.
STaSIS products let you experience the thrill of racecar performance
during your daily drive. We bring racing technology to the street,
adding exceptional performance without sacrificing the comforts you’d
expect from a luxury saloon.
STaSIS is all about balance. Performance with reliability.
Distinction with value. Extraordinary driving experience with a
comfortable commute. Precise tuning with dealership ease-of-service.
Our Signature Series packages balance extraordinary performance and
exclusive styling in an everyday driving vehicle. Our technology,
developed for our racing program, ensures all systems work in concert,
integrating braking, handling, and engine performance so your ride
drives like a racecar yet remains as comfortable as a factory car.
STaSIS Engineering. Adrenaline – now available as an option.

Source: STaSIS