09/24/2026
New arrival!
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Net Car Showroom is proud to offer to market our Twin Turbo 2023 Audi R8 GT built by the best in the business Underground Racing. This build is a no expense spared build that makes just over 2,000 HP on ethanol, and it has just 1,200 miles on the car!
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Build info includes…
- Underground Racing Stage 2+ Race Version R8 Twin Turbo System.
- 2,000 HP using Ethanol.
- Twin mirror billet Precision turbochargers.
- Tial billet wastegates.
- Tial billet blow off valves.
- Custom fabricated titanium exhaust.
- High temp heat ceramic coating.
- Custom fabricated titanium intake tubing.
- K&N air filters.
- High quality silicone hose.
- High pressure wiggins clamps for intake pressure tubes.
- High quality v-band clamps for exhaust connections.
- Custom heat shielding and turbo blankets.
- Custom Air/Water intercooler system with high flow water pump.
- High flow intercooler water heat exchanger.
- Custom ice water reservoir.
- Show quality polishing and powder coating.
- Crankcase ventilation system.
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- Underground Racing X3 Version Billet Engine.
- UR V10 Billet Block.
- UR Full Billet Race Girdle.
- Full blue print and balanced race short block.
- Install custom block sleeves in billet block.
- Seat sleeves for billet block.
- Bore & hone V10 with torque plate.
- Machine block deck surface V10 aluminum.
- Machine block deck surface V10 sleeves.
- Balance complete V10 rotating assembly.
- Mallory for balancing crankshaft.
- Polish and mic crankshaft.
- Jet clean cylinder heads.
- X3 Version billet rods.
- X3 Version race pistons.
- Spiral locks.
- X3 Version wrist pins.
- Oil rail support.
- Custom steel cylinder sleeves.
- Head studs.
- Main studs.
- Main bearings.
- Rod bearings.
- Total seal TNT file fit rings.
- Assemble complete V10.
- DCT Billet Transmission Upgrade.
- Billet helix gearset 1st - 7th and reverse.
- Billet input shafts.
- Billet clutch input shaft.
- Billet stub output shafts.
- Billet differential.
- Billet race axles.
- Billet locking pinion nut.
- + more!
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For more information on this build contact Sam at 832-455-5746, or send us a DM.
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