The Invidia 06+ Civic Si 4dr Q300 Titanium Tip Cat-back Exhaust is designed for the verified vehicle applications below. Match manufacturer part number HS06HC4G3T, complete year, make, model, engine, transmission, body style, trim, emissions configuration, pipe diameter, flange layout, and tip configuration before ordering.

Key Features

• Exact Invidia manufacturer part number for reliable identification
• Vehicle application, pipe diameter, flange layout, catalyst, and tip configuration remain part specific
• Exhaust tone, flow, and cabin drone depend on the complete system and vehicle configuration
• Package contents are limited to the exhaust sections, tips, gaskets, and hardware expressly listed

Fitment

Specifications

What’s Included

One new Invidia exhaust product identified by manufacturer part number HS06HC4G3T in the exact configuration and quantity stated by the title. Additional exhaust sections, catalysts, resonators, adapters, gaskets, clamps, hangers, fasteners, sensors, and tuning are included only when expressly listed.

About Invidia

Invidia develops performance cat-back exhausts, downpipes, connecting pipes, catalytic-converter components, adapters, and related exhaust hardware for import and performance vehicles.

Related Invidia Products

• Shop all Invidia products
• Invidia 06+ Civic Si 4dr Q300 Stainless Steel Cat-back Exhaust
• Invidia 06+ Honda Civic Si Coupe Q300 Titanium Tip Cat-back Exhaust
• Invidia 06-11+ Civic Si 4Dr ONLY 76mm RACING N1 Titanium Tip Cat-back Exhaust

Frequently Asked Questions

Will this Invidia part fit my 2006-2011 Honda Civic?
That vehicle application is listed, but confirm the engine, transmission, body style, trim, emissions configuration, pipe diameter, flange layout, and exact manufacturer part number before ordering.

How will this system change exhaust sound and cabin drone?
Sound level and drone vary with the exact exhaust series, pipe diameter, resonators, tip layout, engine, transmission, and remaining factory exhaust components.

Are gaskets and installation hardware included?
Included hardware varies by exact part number. Confirm the listing contents and inspect factory gaskets, studs, bolts, hangers, clamps, and oxygen-sensor connections before installation.

Installation Instructions

Follow the current Invidia and factory service instructions for part number HS06HC4G3T. Allow the exhaust to cool, support the vehicle safely, inspect every flange, gasket, hanger, sensor, and fastener, align the system without preload, verify body and suspension clearance, torque hardware in sequence, check for leaks, and recheck alignment after the first heat cycles.