Ultimate Mod Guide for The 2005 Subaru WRX Wagon

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The 2005 Subaru WRX Wagon is a beloved classic among car enthusiasts, offering a perfect blend of practicality and performance. However, if you want to take your WRX to the next level, a range of modifications can turn it into a true beast on the road. In this comprehensive guide, we'll walk you through a detailed mod list to enhance every aspect of your WRX Wagon, from the engine and drivetrain to the suspension and aesthetics.

Engine Upgrades: Power and Performance

Outfront Motorsports Stage 1 Hybrid 2.5 Block

Starting with a solid foundation, the Outfront Motorsports Stage 1 Hybrid 2.5 block provides increased displacement and durability, perfect for handling higher boost levels.

• 2.0 Heads
• 272 BC Stage 2 Cams
• GSC Exhaust Valves
• GSC Intake Valves
• GSC Power Divisions Beehive Valve Springs and Retainers
• APR Head Studs

These upgrades ensure better airflow, more power, and enhanced reliability, setting the stage for serious performance gains.

Bolt-On Upgrades

Cooling and Intake

• Koyo Radiator: Improved cooling capacity for high-performance driving.
• Grimmspeed Intake Manifold P&P, PC Illusion Sour Apple: Enhanced airflow and unique aesthetics.
• HKS Equal Length Headers: More efficient exhaust flow, reducing turbo lag.

Forced Induction and Fueling

• HKS SQV BOV: Reliable blow-off valve to handle increased boost.
• ETS Front Mount Intercooler, PC Illusion Sour Apple: Better cooling efficiency for higher boost levels.
• ETS Cold Air Intake, PC Illusion Sour Apple: Improved airflow for increased power.
• FP Green Turbo: Significant power gains with a larger turbo.
• 38mm Tial Wastegate: Precise boost control.
• 1300cc Cobb Injectors w/TGV Delete: Higher fuel flow for more power.
• IAG Fuel Rails/Fuel Lines, PC Illusion Sour Apple: Ensures consistent fuel delivery.
• AEM 340lph E85 Fuel Pump: Supports higher horsepower with E85 compatibility.
• Tomei FPR: Consistent fuel pressure under high boost.
• Tomei Ti Catback Exhaust: Less restrictive exhaust flow, improving performance.
• Invidia Catless Downpipe: Further reduces exhaust restrictions.
• Grimmspeed EWG Up Pipe 38mm: Enhances exhaust gas flow.
• Perrin Turbo Inlet: Better airflow to the turbo.
• Grimmspeed EBC: Precise electronic boost control.
• DOM Cooling 4 Mod: Essential cooling modification.
• Aluminati Solid Motor Mounts: Reduces engine movement, improving power transfer.
• AEM MAP Bar 3.5: Accurate boost measurement for tuning.

Drivetrain and Suspension: Handling and Stability

• Air Lift 3P Suspension (Bags): Ultimate adjustability for ride height and comfort.
• Kartboy Pitch Mount: Reduces drivetrain movement.
• Kartboy Short Shifter with Shifter Bushings: Shorter, more precise shifts.
• Goodridge Stainless Steel Brake Lines: Improved braking response.
• Cobb Sway Bars: Better handling and reduced body roll.
• Kartboy Endlinks: Enhanced suspension response.
• 07 STI 6-Speed Transmission: Stronger gearbox for handling more power.
• Brembo Brakes: Superior stopping power.
• STI Rear Differential R180 3.9: Improved drivetrain strength and reliability.
• STI Axles, Driveshaft, Hubs, and Knuckles 5x114.3: Complete drivetrain and suspension upgrade for durability and performance.
• ACT HDSS Clutch / ACT SLF: Enhanced clutch performance.
• Cusco Front Strut Brace PC Illusion Sour Apple: Improved chassis rigidity.

Interior Upgrades: Monitoring and Control

• Defi Gauges (Boost, Exhaust Temp, Oil Pressure): Essential gauges for monitoring engine performance.
• Glow Shift 3 Pillar (AFR Gauge, Coolant Temp, Intake Temp): Additional monitoring for critical engine parameters.
• DND Steering Wheel: Enhanced driving feel and aesthetics.

Exterior Enhancements: Style and Function

• Mirror with Signal: Modernized look with added functionality.
• Chrome Spec D Headlights: Improved visibility and style.
• Side Skirt Spats: Enhanced aerodynamics and appearance.
• STI Hood Scoop: Aggressive look and better cooling.
• STI Fog Covers: Clean front-end look.
• Chrome Tail Lights: Stylish rear-end upgrade.
• Rear Diffuser: Improved aerodynamics.
• Chrome Faded Tint: Unique aesthetic touch.
• Side Skirt Spats: Additional styling element.

Miscellaneous Mods: Finishing Touches

• Carbon Fiber Radiator Shroud, Fuse Cover, Pulley Shroud, Hood Struts: Lightweight, stylish upgrades for the engine bay.
• Billetworks Engine Bay Caps: Enhanced aesthetics.
• Aluminati Battery Tie Down PC Illusion Sour Apple: Secure and stylish battery hold.
• Triple Chrome Heritage Ebisu Monoc 18x9.5: Eye-catching wheels that complete the look.

Conclusion

Modding your 2005 Subaru WRX Wagon can turn it into a high-performance, head-turning machine. From engine upgrades and bolt-ons to suspension improvements and aesthetic enhancements, this guide covers everything you need to make your WRX truly stand out. By investing in these modifications, you'll not only boost performance but also increase the value and enjoyment of your ride. Happy modding!