$251.00 USD

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SKU: 17-121WB


  • 10th Gen Honda Civic
  • 10th Gen Honda Civic Si

Experience increased horsepower, torque, throttle response, and acceleration for your 10th generation Honda Civic Si 1.5L Turbo with HPS Performance’s Intercooler Pipe Kit (Part number 17-121). The intercooler piping kit optimizes and smooth out the air flow, increase horsepower +8.9 Whp , torque +8.5 Ft/lbs at 4300 rpm and improve throttle response without re-tuning the ECU. This kit replaces the stock plastic upper cold side charge pipe and rubber boots with our custom mandrel-bent 16 gauge 6061 aluminum tubing, signature HPS 4-ply reinforced silicone hoses, and stainless steel clamps. With these upgraded materials, your Civic is future-proofed for more boost while reducing the risk of boost leaks.


  • Fine-tuned by HPS Performance to deliver the maximum performance gains - increase horsepower +8.9 Whp , torque +8.5 Ft/lbs at 4300 rpm.
  • 1 piece design delivers smooth and optimized airflow, boost up performance gains in mid-range without re-tuning the ECU.
  • The bead rolled pipe ends prevent couplers from popping off under boost.
  • Features HPS signature race proven high temp 4-ply reinforced silicone hoses and industrial grade 100% stainless steel embossed hose clamps
  • 2.5" Mandrel-bent aluminum piping replace stock restrictive tubing
  • Includes easy to follow step-by-step installation manual with clear pictures and instructions to guide the installer throughout the whole process.
  • No modification is required during the installation. Does not trigger CEL light
  • NOT CARB Complaint
  • System Type: Intercooler Cold Side Charge Pipe


  • Product Type: Intercooler Pipe Cold Side
  • Intake Tube Material: Aluminum
  • Aluminum Tube Size (Outside Diameter): 2-1/2 inch
  • Warranty: 2 Years
  • Street Legal In All US States: No
  • California Restricted: Not legal for sale or use in California
  • TUV Approved (Europe): No
  • Weight: 7 lb
  • Shipping Box Dimension: 24 inch x 12 inch x 10 inch


  • HPS Performance Aluminum Intercooler Tube
  • HPS Performance High Temperature Reinforced Silicone Couplers
  • HPS Performance 100% Stainless Steel Embossed Hose Clamps
  • Installation Instruction


Installation difficulty is 3/5 and requires some mechanical experience to install. Installs in 1-2 hours using a basic mechanics tool set. We include a detailed 8 page installation manual to guide you step-by-step of the installation.


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