http://gr40cars.com/models/gr40tt.php
Race Car performance with no trailer required..
Griggs Racing GR40TT
Standard Features:
4.6L aluminum modular, 3-valve SOHC V8
Supercharger w/over-running clutch and air/air charge cooler.
* Dyno tuned and tested
* 547 bhp @ 6500 rpm
* 463 ft/lbs @ 5700 rpm
* Aluminum dual core radiator and surge tank
* Fuel system upgrade
* Limited powertrain warranty (3 year/36K miles)
High performance computer calibration
2.5" stainless steel dual exhaust system
Standard ratio 5-speed, full synchro
Griggs Racing GR40 SLA suspension
Koni coil-over suspension, track tuned
Tubular front cradle with integral core support
Adjustable ride height
Adjustable bind-free front anti-roll bar
Severe duty adjustable front lower control arms
Billet aluminum spindles
Heavy duty TorqueArm™
Watts link with adjustable roll center
Aluminum differential cover with girdle
Relocated adjustable rear lower control arms
Adjustable rear anti-roll bar
Power steering cooler
Heavy duty power steering hoses and fittings
Integral roll bar with harness bar
Fire extinguisher
Griggs 4on4™ Competition Brake System, 4 wheel / 4 piston with ABS
One-piece forged aluminum race wheels, 18" x 10.5"
305/35 ZR18 high performance tires
Performance front spolier and rear wing
Stainless ‘GR’ logo badge on fenders and under hood
‘GR’ identity fuel cap
Griggs Racing certification and portfolio
Serial number placard
Options:
Chassis Options:
Additional set of single adjustable coil-overs
Double adjustable coil-overs
Quiet bushed Watts Link arms
"Race" steering rack
Engine Options:
High capacity road race oil pan
Oil cooler w/ remote filter assembly
Stainless long tube headers w/offroad x-pipe
Stainless cat back exhaust system (Normal or Agressive)
Stainless axle back exhaust system (Normal or Agressive)
Drivetrain Options:
3.55, 3.73, 3.90, or 4.10 final gear ratio
Torque-biasing differential
Severe duty preloaded torque-biasing differential
Billet aluminum quick shifter
Wheel & Tire Options:
One piece forged aluminum wheels DELETE
Fikse three piece forged aluminum wheels
Jongbloed Aero three piece forged aluminum wheels
Toyo Proxes RA1 tires
305/35 ZR18 front and rear (10.5" wheels)
Hoosier A6 or R6 tires
315/30 ZR18 front and rear (10.5" wheels)
Tire pressure monitoring system
Interior Options:
Integral roll bar w/ harness bar DELETE
Supercharger guage pack (boost, fuel psi, and oil temp.)
Air conditioning DELETE
Data Pac
Exterior Options:
Lightweight body panels
Lexan windows
High downforce, low drag, carbon fiber wing and front splitter
Safety Equipment:
6-point racing harnesses
CNC aluminum road race seats
Composite road race seats w/lateral head restraint
MSRP
$ 63,900.00
If that includes the price of the Mustang than that is one heck of a car for the money.