Here at Clean Injection, we have put together some of our most popular pro series products for the S13 owner looking for the biggest and best in the industry. 
Billet Intake Manifold with 76MM Throttle Body
Intake manifold design is critical to creating peak horsepower and torque.  We have designed the runners to taper down in diameter as the air gets closer to the cylinder head. This helps promote both an acceptable air speed and volume. Equally important is to ensure that each runner features equal lengths and diameters. This will ensure that each cylinder receives the same amount of airflow, at the same point during the intake valve cycle, to help promote equal combustion within each cylinder.
 
O-ringed throttle body flange creating a leak proof seal.
Accessible Vacuum Ports
Velocity Stacks for Optimal Air Flow
Port For OEM IAC Valve. Includes IAC block off plate. 
Anodized Black Billet Fuel Rail
Anodized Black Finish making it ideal for E85 or high ethanol fuels. 
AN6 End port with AN6 Male Fittings
AN6 Return Port and AN6 Optional port
Machined for 14mm O-ring Injectors
18MM Bore large enough to supply fuels for setups making over 1300HP
BOSCH 1200cc FUEL INJECTORS AND PLUG AND PLAY INJECTOR CONNECTORS
 
Bosch 1200cc injectors feature stainless internals and are compatible with all fuels including oxygenated fuel with MTBE. Compatible with all fuels including oxygenated fuels with MTBE such as  FTW, Q16, M5, C45 etcs. • High-impedance design (no resistor box required)  Ultra-fast solenoids for precise fuel metering • Linear response across wide range of operating conditions  
 
Set of 4pcs Bosch 1200cc fuel injectors 
Stainless Steel Internals
Compatible with a fuels including Q16, M5, C45 etc. 
Injectors are flow tested Statically and Dynamically. Packed in balanced sets within 1 percent of each other. 
Injectors will come with flow sheet with flow results and injector latency/deadtime data. 
 
VEHICLE COMPATIBILITY
   Car Model: S13 Chassis
   Engine: SR20DET Red Top