As described in the FAQ section of this website:

What sets the Type-R apart from any other Integra?

Engine/Drivetrain:

Revised high flow intake
Revised high flow exhaust
Polished and ported heads and ports
Molybdenum coated piston skirts
62mm throttle body
Lightweight valves
Lighter, stronger flywheel
Redline bumped up to 8400 RPM
Limited slip differential

Body/Chassis/Suspension:

Larger brakes (11.1 inch front, 10.2 inch rear)
Revised lighter ABS system
5 lug Hubs
15x6 Alloy wheels
Bridgestone RE-010 tires
New front air dam
Larger rear spoiler
Short throw transmission with shorter gears
Front shock tower bar
Two rear stabilizer bars
- There is really only one rear stabilizer bar.
The other bar, which was added for the ITR only,
is actually a lower suspension brace - it has no
dynamic suspension interaction other than to help
prevent chassis flex
Stiffened suspension
Little over a 1/2 inch (15mm) lower ride height
Faux Carbon Fiber instrument panel (Center Console in 2000/2001)
Deep bolstered, race-inspired seats
Subtraction of 147 lbs (No sunroof, A/C, sound deadening material)
Only offered in White until 2000 then Yellow and Black were also offered
No protective side moldings