2005-2007 Impreza RS 2.5L 4cyl Polished SP Series Cold Air Intake (INJSP1222P)

Unlock the performance potential of your naturally aspirated Boxer engine with this precision-tuned cold air intake system for the Impreza RS. Utilizing patented MegaRam (MR) Technology, this system optimizes the induction path for the 2.5L 4-cylinder engine, allowing it to breathe deeper for improved throttle response and consistent power delivery. By replacing restrictive factory ducting with mandrel-bent 6061-T6 aluminum tubing, this intake maximizes airflow efficiency and delivers an aggressive engine note while maintaining safe air-fuel ratios for reliable performance gains.

Features

• Dyno Proven gains of up to 14 hp and 13 lb-ft. of torque
• Cold Air Intake Design
• Features Injen’s patented MegaRam (MR) Technology
• Provides power gains while maintaining A/F ratios
• No additional tuning required
• 6061-T6 aluminum intake tubing
• Fully serviceable Injen SuperNano-Web dry air filter
• Replacement air filter part number X-1017-BB
  
• Aggressive engine tone under full throttle
• Smooth intake piping eliminates restrictions and improves airflow