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.

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.

Vehicle Application
2020 Honda Civic 1.5L Turbo Si
2019 Honda Civic 1.5L Turbo Si
2018 Honda Civic 1.5L Turbo Si
2017 Honda Civic 1.5L Turbo Si

• Key Features
• Specification
• Additional Details

• - 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 Information
  - 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

  Included in the kit
  - HPS Performance Aluminum Intercooler Tube
  - HPS Performance High Temperature Reinforced Silicone Couplers
  - HPS Performance 100% Stainless Steel Embossed Hose Clamps
  - Installation Instruction

• Color	Manufacturer Part Number	UPC Code
  Polish	17-121P	648044897516
  Black	17-121WB	648044897523
  Blue	17-121BL	648044897547
  Red	17-121R	648044897530

How to install HPS Intercooler Cold Side Charge Pipe on 2017-2020 Honda Civic Si 1.5L Turbo - Part Number: 17-121