The 04-05 STI ETS intercooler piping kit uses 2.5″ OD 304 Stainless Steel tubing. This ensures the highest level of durability with our Extreme Turbo Systems kit The piping is 1 piece mandrel bent with no welds or joints to disrupt the flow. The ends of the pipes are beaded so you won’t have to worry about couplers coming off during a pull. We finish our pipes in a wrinkle black powder coat. We guarantee the best possible fitment which will save you precious time during install.

• 2.5″ Mandrel Bent SS
• Powder Coated Wrinkle Black
• Industry Leading Fitment
• ETS Black Silicone Couplers
• SS T-Bolt Clamps
• Lifetime Warranty
• Pre Welded BOV Flanges

For a complete kit you can add the intercooler seen here.