The STLL SLO Audi S4 is a 2001 laser red sedan that has been owned by Stephen since the fall of 2008. It was purchased bone stock and did not stay that way for very long. It has been through many states of modification over the 10+ years of ownership and will most likely continue to evolve.
Spring 2021:
The car has gone through it's most radical change in the decade plus of ownership. The build list is as follows:
2.7L APB
Stock Heads
Stock Pistons
APR Bipipe - Discontinued
Forge 007 Diverter Valves
SSAC 3" Catless Tiptronic Downpipes
Single 3" exhaust with Flowmaster 40 series
Stock Intake manifold
Stock exhaust manifolds
Walbro 450 in tank fuel pump
Bosch EV14 1000cc Injectors
Tuned for E85 fuel by Blake at ETSpec
Ringer Racing Stage 4+ Clutch with Billet Steel Flywheel
4:1 Center Diff
Driveshaft Shop Aluminum 1 piece driveshaft
Bilstein/H&R
ECS Lightweight brakes
The car has been in the hands of the OS Performance
getting looked over and dialed in for the upcoming season. We will be autocrossing, drag racing, and canyon carving.