Racing Suction R IMPREZA WRX STI Explanation of the product Application chart
IMPREZA WRX STI GRF
Racing Suction R

Code No. 70020-AF013

 

 

 

■Feature

Further performance improvement at high RPM leads to smoother accerelation. Sporty intake sound uplifts driver's sprit. Airflow output correction device specifically designed for GRF/GVF is included.

 

 

■AIR FUEL RATIO REGULATOR (AFR) FOR GRF/GVF

Standard Racing Suction Reloaded Intake Kit corrects the airflow output characteristics by the unique shape of airflow adapter's air guide. For GRF & GVF, airflow correction by the air guide's shape is inadequate; therefore, the AFR is designed exclusively for GRF and GVF and included in this kit. Stable performance can be presented for a stock to a vehicle with the exhaust system, catalyzer, and factory replacement type exhaust manifold.

 

 

■Performance Comparison

 

Impression Stock Bad 1 2 3 4 5 Good
Low/mid rpm RSR Bad 1 2 3 4 5 Good
Impression Stock Bad 1 2 3 4 5 Good
High rpm RSR Bad 1 2 3 4 5 Good
 
Intake sound Stock Small 1 2 3 4 5 Loud
Revving RSR Small 1 2 3 4 5 Loud
Intake sound Stock Small 1 2 3 4 5 Loud
While driving RSR Small 1 2 3 4 5 Loud

 

 

 

Vehicle Classification Model Engine Model Year Style Size Code No. Price Remarks
IMPREZA WRX STI CBA- GRF EJ257 09/02-14/08 Racing Suction R Φ200-80/Red 70020-AF013 * Discontinued. For "WRX-STI A-Line 4door".

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HKS