Robert Prout's B5 A4 1.8T

Block: JE Pistons 9.25:1 CR .5mm Overbore, Pauter Rods, ARP Main Studs

Head: AEB Big Port, Supertech Single Groove Inconel valvetrain, Supertech springs/retainers, IE Race Cams

Turbo: Precision Gen 2 5558 .64 A/R V-Band, Turbosmart Compgate 40 Wastegate, Turbosmart Raceport BOV

Intercooler: Evolution Racewerks Comp w/modified end tanks

Fuel: 1600CC Injectors, Walbro 525 E85+Water/Meth 

ECU: MaxxECU Race tuned by Apex Performance & Fabrication

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Exhaust: 3" turboback with a 3" vacuum actuated cutout

Michael Blankenship's B5 S4 2.7T

Block: JE Pistons 9.1:1 CR 1mm Overbore, Pauter Rods, ARP Main Studs, ARP Head Studs, Vast Engine Girdle

Head: 2.8 Big Port, Supertech Single Groove valvetrain, Supertech springs/retainers, 2.8 cams

Turbo: Twin Garret GTX2860R (high pressure) and G42-1450 (low pressure), Tial MVS wastegate (high pressure) and Tial MVR (low pressure), Turbosmart Raceport BOV

Intercooler: Treadstone 1300 HP core 2-1 

Fuel: 2200CC Injectors, Walbro 525 E85+Water/Meth 

ECU: MaxxECU Race tuned by Apex Performance & Fabrication

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Exhaust: 3.6" turboback with a 3.5" boost actuated cutout