Invidia HS17CHB7Q33ST Q300 Catback Exhaust for 17-21 Honda Civic 1.5L Hatchback

Vehicle Fitment

• 2017-2021 Honda Civic Sport Hatchback 1.5 L Turbo
• 2017-2021 Honda Civic Sport Touring Hatchback 1.5 L Turbo
• 2017-2021 Honda Civic SI Hatchback 1.5 L Turbo

Fitment Notes

• Direct-fit cat-back--bolts to OEM midpipe without modifications
• Center-exit triple titanium tips--requires rear valence clearance check

Features

• Mandrel-bent 70 mm (approx. 2.75") 304 stainless steel piping
• Flat-bottom Q300 muffler enhances high-speed aero performance
• Triple burnt-titanium tips (4"/4.5"/4" OD) for show-quality finish
• Robot TIG-welded with CNC flanges for bolt-on precision
• Advantex muffler lining for free-flow, deep sporty tone
• Improves throttle response--reduces backpressure & turbo lag
• Resonated design for aggressive tone without excessive cabin volume
• One-year manufacturer warranty covers defects

Specifications

• Part Number: HS17CHB7Q33ST (Q300, triple Ti tips)
• Piping OD: 70 mm (approx. 2.75"); Tip Diameters: 4"/4.5"/4"
• Material: 304 stainless steel with titanium burnt tips
• Muffler Style: Flat-bottom resonated Q300
• Exit Style: Center triple-tip
• Warranty: 1 year

Included Components

• 1x Invidia Q300 cat-back exhaust assembly
• 3x Burnt-titanium tips (4"/4.5"/4")
• Mounting hardware and flanges
• Installation instructions

Product Description

The Invidia Q300 HS17CHB7Q33ST cat-back exhaust is a direct bolt-on upgrade for 2017-2021 Honda Civic 1.5T Hatchback (Sport, Sport Touring, and SI trims). Featuring 70 mm mandrel-bent stainless steel piping and robot TIG welding, it delivers a deeper, more responsive exhaust note and improved throttle response without excessive cabin volume. Durable Advantex muffler lining and a flat-bottom design enhance high-speed airflow.

The highlight is the triple center-exit burnt-titanium tips--4"/4.5"/4"--providing visual flair and fitment with the stock rear valence. Installation is straightforward using OE mounting points, with no cutting or tuning required. Backed by a one-year warranty, this Q300 system elevates both the sound and performance of your Civic hatch while maintaining OEM-style reliability.