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Once again Underground Racing built cars take the trophy. more in NEWS ///
Installation Overview
 

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  • 01

    Twin-Turbo

    System Features

    • • Custom twin billet Precision Turbochargers
    • • TiAL billet wastegates and billet blow off valves
    • • Aircraft quality stainless steel exhaust
    • • Custom aircraft stainless steel air induction
    • • Custom Air/Water intercooler with hi-flo pump
    • • Custom coolant reservoir
    • • High flow intercooler water heat exchanger
    • • Crankcase ventilation system
    • • K&N air filters
    • • Polished/coated turbo/intercooler/charge piping
    • • Custom heat shielding & high quality heat wrap



    • High quality silicone hose and wiggins clamps
    • Ultra lightweight stainless steel mufflers
    • High temp heat coated exhaust
    • High pressure T-bolt clamps for intakes
    • High quality V-band clamps for exhaust
  • 02

    Tuning

    Upgrades

    • • MoTeC M1 Engine Management System
    • • Custom PNP wiring
    • • Custom wiring harness
    • • Professional dyno and streetability tuning

    03

    Performance

    • • Penske Triple Adjustable Coil-over Suspension
    • • High-performance Wheels & Tires
    • • Roll Cages & Full fire suppression system
    04

    Drivetrain

    Upgrades

    • Billet gear setups for DCT and 6 speed Transmission
    • Tilton Engineering Triple-disc Carbon Clutch
    • DCT clutch and billet clutch basket upgrades
    • Billet Differentials
    • Billet and Carbon Driveshafts
    • Billet CV Joints
  • 05

    Engine

    • • CNC ported Cylinder Heads
    • • Custom billet intakes
    • • Huracan and Gallardo custom billet street/race engine blocks
    • • Full blueprint and balanced race short block
    • • CP custom reverse dish aluminum race pistons
    • • CP spiral locks
    • • CP .180+ wall wrist pins
    • • CP oil rail support
    • • Custom steel cylinder sleeves
    • • Main bearings
    • • Rod bearings
    • • Total seal TNT file fit rings
    06

    High Flow

    • High Flow Fuel Pumps
    • Custom billet fuel pump brackets
    • Custom aluminum fuel rails
    • Aeroquip stainless fuel line & aluminum fittings
    • Aeromotive adjustable fuel pressure regulator
    • Upgraded fuel injectors

Dodge Viper TT (discontinued)

Details

Dodge Viper TT

Custom Twin-Turbo Systems that produce up to 1500 horsepower for Dodge Viper.

Dodge Viper Turbo Systems

Custom Turbo System with Stock Engine
800 WHP on pump gas (93 octane)
1000 WHP on race fuel (VP-C16 117 octane)
Gen 2 Viper models (1996-1999 w/forged pistons) at $35,000 installed

Custom Turbo System with Stock Engine
700 WHP on pump gas (93 octane)
800 WHP on race fuel (VP-C16 117 octane)
Gen 2 & 3 Viper models (2000-2006 w/cast pistons) at $35,000 installed

Stage 1 Turbo System with Modified Engine
900 WHP on pump gas (93 octane)
1100 WHP on race fuel (VP-C16 117 octane)
Gen 2 Viper models at $55,000 installed

Stage 2 Turbo System with Modified Engine
1000 WHP on pump gas (93 octane)
1300 WHP on race fuel (VP-C16 117 octane)
Gen 2, 3 & 4 Viper models at $75,000 installed

Stage 3 Turbo System with Highly Modified Engine
1100 WHP on pump gas (93 octane)
1500 WHP on race fuel (VP-C16 117 octane)
Gen 2, 3 & 4 Viper models starting at $95,000 installed

 

Dodge Viper Supercharger Systems

Custom Supercharger System with Stock Engine
600 WHP on pump gas (93 octane)
Gen 2 & 3 Viper models at $10,000 installed

Custom Supercharger System with Stock Engine
800 WHP on pump gas (93 octane)
900 WHP on race fuel (VP-C16 117 octane)
Gen 2 (1996-1999) Viper models at $19,500 installed

Custom Supercharger System with Modified Engine
850 WHP on pump gas (93 octane)
950 WHP on race fuel (VP-C16 117 octane)
Gen 2 & 3 Viper models starting at $35,000 installed

 

Customer Ride

Jason's Twin Turbo Dodge Viper SRT

  • Pump gas tune capable of 1000+ rwhp
  • Race gas tune capable of 1300+ rwhp

Underground Racing Custom Twin Turbo System

  • 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 Racing Custom 522 Stroker
  • Full blue print and balanced race short bock
  • Offset custom ground crankshaft
  • Custom billet rods
  • Underground Racing custom turbo camshaft
  • Custom reverse dish forged race pistons
  • Spiral locks
  • Clevite coated race main bearings
  • Clevite SBC coated race rod bearings
  • Total seal TNT file fit rings
  • Program billet main caps
  • ARP head studs

 

  

Intake and Cylinder Heads

  • Outside of intake and throttle body to be show polished
  • Stage 3 Turbo race prep cylinder heads
  • Upgraded valve springs
  • Titanium retainers
  • Pressure tested and etc.

Fuel System Upgrades
  • 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

Tuning Upgrades
    • AEM EMS standalone computer
    • Custom wiring harness to make Gen 2 AEM compatible with Gen 3 Viper

    * Note: The AEM EMS is not ODB2 compatible.
  • Dyno and street ability tuning.

 

UR built Lambo vs. Bugatti Veyron

A video of Richard's twin turbo Gallardo at the No Fly-Zone 1/2 mile event beating the Bugatti Veyron. watch video ///

Breaking Hearts

Notice on the race vs the Bugatti Veyron, Richard actually waits nearly two seconds...
watch video ///

Dallas WannaGoFast 1/2 Mile

Recently, Underground Racing headed back to Dallas, Texas for the WannaGoFast Standing 1/2 Mile. watch video ///

Breaking Records

We started the day making our first full shakedown pass at 250.55 MPH...
watch video ///

Fowler wins King of the Streets

Fowler takes the title with his Underground Racing built X-Version Huracan... watch video ///

What's New


257 MPH WORLD RECORD! Mohammad's Underground Racing Twin Turbo Lamborghini Huracan set a new 1/2 mile world record...
Fowler wins King of the Streets Fowler takes the title with his Underground Racing built X-Version Huracan...
UR Announces V10 CNC Billet Block This year was another great one...
UR Audi R8 breaks 1/2 Mile record @244 mph Congrats to Mohammad from Drag965 for having the fastest R8 on the planet...
UR Twin Turbo X-Version HURACÁN Build We would like to thank Justin Herricks...
Grant's UR TT Gallardo Wins Event Thanks to Grant for letting Underground Racing...