Already an absolute powerhouse for the price, the Nissan GT-R is one of the best performance production cars on the market. Just on the stock model, it's got all-wheel drive, a six-speed dual-clutch transmission, and a 545hp 3.8L twin-turbo V6. You get all of that for 100 grand, which really isn't that much for those types of numbers. Being a Japanese car, however, it's naturally subjected to multiple custom projects in efforts to continue to boost power (some reached triple the horsepower!), increase downforce, and alter the appearance. Enter the garage with us, as we take a look at these 20 Incredible Nissan GT-R Customs

Related: 25 Wild Rolls-Royce Customs

Related: 25 of the Worst Honda Civic Customs Ever

Related: The 50 Most Outrageous Custom Car Interiors

Related: 10 of the Worst Chrysler PT Cruiser Customs Ever

Related: 25 Wild Lamborghini Customs