Switzer Performance built Red Katana — a souped up Nissan GT-R with 300 extra pounds of performance add ons — to be a drag strip slayer. Churning out 1,000 hp on pump gas, the street legal car puts out 1,300 horsepower at the wheels on race gas.
The Switzer P800 Nissan GT-R makes over 700 HP at the wheels, nearly double that of the comparatively plain-Jane GT-R. Luckily that's at all four wheels, because we drove it through both snow and ice.
"We checked for pressure drops, temperature variations, everything. After replacing the stock turbos with application-specific custom units and our own unique MONSTER intercooler package, we slowly dialed up the boost, checking all the data again and again. Eventually, we ended up going beyond the limits of the…