5. 4 Liter/385 Horsepower high revving (6500 rpm redline) DOHC V8. Stainless. short-tube headers. Cobra catalysts. Bassani X-pipe. and three Borla mufflers. 21 Gallon race-ready fuel cell. Carrillo rods. unique pistons. Canton oil pan. windage tray. 31-spline halfshafts. limited-slip differential. 3. 55 gears. Brembo brake rotors. four-piston Brembo brake calipers. custom brake ducts in the fog light openings. and a differential cooler. There's plenty more factory custom stuff in the R. How about a B&M for the Ripper shifter. McLeod for an aluminum flywheel. Bilstein for shocks. Eibach for 800-lb/in front and 750-lb/in rear springs. and Mobil 1 for oil? Naturally. the 18x9. 5-inch wheels are unique-although these get copied faster than a calculus final-and the all-important tires are custom-tuned BF Goodrich super stickies. More than just a stripper Mustang with a big engine. the '00 R was the factory's big shot at putting the Mustang into the big time on a road course.