Ford's Special Vehicle Team (SVT) is responsible for producing some of the more elite factory performance ponycars. Even with the recent demise of the Camaro, the Blue Oval camp hasn't rested in terms of Mustang performance, but instead has taken the great leap forward with the '03 Cobra. Putting it a little more bluntly, it's obvious that Ford has paid close attention to the performance enthusiast market, because the company has developed a well-balanced package that any gearhead can appreciate.
For starters, the modular four-valve dual-overhead-cam motor features a cast-iron four-bolt-main block, a forged-steel crankshaft, Manley forged H-beam rods with ARP fasteners, and low-compression forged pistons, along with an Eaton Roots-type supercharger with a water-to-air intercooler producing 8 psi of boost to make 390 hp at 6,000 rpm and 390 lb-ft of torque at 3,500 rpm. Combine this potent powerplant with independent rear suspension, 17-inch wheels wrapped in P275/40ZR Goodyear Eagle F1 rubber, 13-inch vented Brembo discs up front and 11.65-inch discs out back, and a six-speed, and you have one incredible out-of-the-box performer that can rip through canyons or a road course and dip well into the 12-second zone at your local dragstrip.
As impressive as it may seem, would you believe that this is only the beginning? By simply bolting on a few select parts readily available through the aftermarket, power levels can easily eclipse 500-plus rear-wheel horsepower! It's true. Follow along as we take an inside look at just how easy it is to coax even more power from SVT's latest masterpiece.
One of the first recommended modifications is to swap the corked-up exhaust system for a more free-flowing unit like Borla's stainless steel mandrel-bent 2.5-inch full dual Cat-Back system (PN 140052). With a less restrictive exhaust, independent dyno tests have shown gains well over 35 hp! More importantly, the larger piping also allows for additional induction improvements down the road. | 
It's amazing what an aftermarket filter like a K&N can do when used in conjunction with a cold-air induction kit... |
...By just eliminating the factory's air silencer and restrictive airbox, it can easily push you near the 400 rear-wheel horsepower range. | |