Mishimoto MMAI-CIV-17SIRD Red Intake for 2017-21 Honda Civic Si 1.5T

Vehicle Fitment

• 2017-2021 Honda Civic Si (FC3/FC2, 1.5L Turbo I4, FWD)

Features

• Direct-fit cold air intake engineered for 2017-2021 Honda Civic Si
• Red reinforced silicone elbow for improved airflow and durability
• CNC-machined aluminum MAF housing for precise airflow measurement
• Black powder-coated steel airbox shields incoming air from heat
• High-flow oiled performance air filter increases intake flow
• Aggressive induction sound under acceleration and turbo boost
• Complete bolt-on installation with included hardware and clamps
• Mishimoto Lifetime Warranty on materials and workmanship

Specifications

• Part Number: MMAI-CIV-17SIRD
• Color/Finish: Red silicone elbow with black airbox
• Air Filter Type: High-flow oiled performance filter
• Material: Aluminum intake pipe, silicone elbow, steel airbox
• Engine: 1.5 L Turbocharged I4 (Si model)
• Drivetrain: Front-Wheel Drive (FWD)
• Estimated Gains: Up to +4 hp and +4 ft-lbs torque
• Installation: Bolt-on, no ECU tuning required on stock setup

Included Components

• 1x Aluminum CNC-machined MAF housing
• 1x Black powder-coated steel airbox
• 1x Red reinforced silicone intake elbow
• 1x High-flow oiled performance air filter
• 2x Worm gear clamps
• Installation hardware kit
• Mishimoto Lifetime Warranty documentation

Product Description

The Mishimoto MMAI-CIV-17SIRD Red Cold Air Intake is a direct-fit performance upgrade crafted for 2017-2021Honda Civic Si models equipped with the 1.5 L turbocharged I4 engine. This intake replaces the stock intakeplumbing and airbox with a high-flow system designed to improve airflow, throttle response, and turbo efficiencywhile producing a more pronounced induction sound under acceleration and boost - all without requiring ECUtuning on a stock setup.

Featuring a vibrant red reinforced silicone elbow, a CNC-machined aluminum MAF housing for accurate airflowmeasurement, and a powder-coated steel airbox to help isolate intake air from engine heat, the MMAI-CIV-17SIRDbalances performance with durability. The included high-flow oiled performance air filter maximizes surface areafor improved airflow and filtration efficiency. Installation is straightforward and bolt-on, using the provided clampsand hardware.

Fitment is confirmed for 2017 through 2021 Honda Civic Si (1.5 L turbo, FWD). Estimated gains of up to +4 hp and+4 ft-lbs of torque on a stock tune demonstrate measurable performance benefits. The Mishimoto Lifetime Warrantybacks the product's material and workmanship quality for long-term peace of mind.