Source: private party

06 SRT Viper coupe. Built by Underground Racing. Below are some of the options. This car is capable of high 9 second ET on regular street tires.

Underground Custom Twin Turbo Upgrades
Pump gas tune capable of 1000+ rwhp
Race gas tune capable of 1300+ rwhp

- Custom twin 78mm turbochargers
- 2 Tial billet wastegates
- 2 Tial billet blow off valves
- All exhaust fabrication to be stainless steel, mandrel bent, high flow
and high temp heat coated
- All air intake fabrication to be stainless steel, mandrel bent, high flow
and show polished
- High pressure t-bolt clamps for intake pressure tubes and v-band
clamps for exhaust tubes
- Electronic Boost Controller
- Custom heat shielding


Underground Custom 522 Stroker

- Full blue print and balanced race short bock
- Offset custom ground crank shaft
- Oliver billet rods
- Underground Racing custom turbo camshaft
- CP custom reverse dish race pistons
- CP spiral locks
- CP .180+ wall wrist pins
- CP oil rail support
- Clevite coated race main bearings
- Clevite SBC coated race rod bearings
- Total seal TNT file fit rings
- Program billet main caps
- ARP head studs continued . . .


Intake and Cylinder Heads
- Outside of intake and throttle body show polished
- CNC JM Striker heads



Fuel System
- 1500 rwhp+ Intank fuel system with quiet option
- Billet fuel pump hanger for three High Flow fuel pumps
- All Aeroquip stainless steel line and aluminum fittings
- Custom show polished fuel rails- Aeromotive adjustable fuel pressure regulator
- Custom 75lb injectors


Clutch & Differential
- Custom twin disk clutch
- Custom billet flywheel
- Street Twin
- Meba lining
- Three finger pressure plate
- Quaife differential


Suspension
- Custom coil over suspension
- Fully adjustable
- Adjustable ride height


Tuning
- AEM EMS stand alone computer
- Custom wiring harness to make Gen 2 AEM compatible with Gen 3 Viper
- Dyno and street ability tuning


Wheels and tires
- Custom HRE wheels
- 20x13 Rear
- 19x10 front
- Nitto Invo Tires