2007 Subaru Impreza WRX STI Spec C Type RA-R is a limited-production
high-performance specialty model for the FIA-certified Subaru
Group N rally car, which is built for various rally championships
for production-based cars. Only 300 examples have been built with
a color choice of white, blue or yellow. Featuring lighter glass,
thinner roof construction, reinforced strut tower braces, a rear
crossbar, aluminum trunk lid. The STI Spec C Type RA does without
the rally-spec rear wing and rooftop aero vanes.
All the creature
comforts have been taken out, like the Recaro seats, air-conditioning,
radio and the airbags for a total weight reduction of 150 pounds.
The high-performance brake package, includes stout monoblock six-piston
calipers for the front vented discs and four-piston calipers for
prepared version of Subaru's boxer engine with a larger turbo
' twin-scroll, ball-bearing IHI-built turbocharger' lies under
the hood and a better exhaust system has been added, a cat-back
4.3-inch diameter exhaust reduces backpressure to produce 320
bhp and 318lb ft lbs of torque at 4,400 rpm.
The Spec C
Type RA-R is equipted with a quick-ratio steering rack and torque
split for the driver-controlled center differential, as well as
a torque-sensing limited-slip front differential. The Type RA-R
has suspension towers which have been reinforced and then supplemented
by strut braces. The suspension's stock rubber bushings have been
swapped for metal pillowball-style mounts, and special rear suspension
links have been fitted. The suspension incorporates four-way adjustable
inverted dampers and thick antiroll bars, and sits on 235/40ZR18
Bridgestone Potenza RE070 tires on Enkei-built STI 18-inch wheels.