-31%
Click to zoom in
SKU: HS06HC4G3S
Invidia 2006-2011 Civic Si 4dr Q300 Stainless Steel Cat-back Exhaust
The Invidia HS06HC4G3S Q300 cat-back exhaust system replaces the stock setup from the catalytic converter back on 2006-2011 Honda Civic Si 4dr sedan models including the 2008 MUGEN Si. This full stainless steel exhaust improves exhaust flow for noticeable gains in horsepower and torque while producing a deep aggressive exhaust note. Drivers enjoy enhanced throttle response and a sporty sound that stands out on the street or track.
Key Features
- T-304 Stainless Steel Construction: Provides long-lasting durability and resistance to rust for years of reliable performance.
- Mandrel-Bent 60mm Piping: Ensures smooth unrestricted exhaust flow to support engine power and efficiency.
- Q300 Single-Wall Resonator Design: Delivers a refined throaty exhaust tone without excessive drone inside the cabin.
- Dual 101mm x 105mm Polished Oval Slash-Cut Tips: Adds a clean aggressive rear styling that complements the Civic Si look.
- Bolt-On Direct Fit: Engineered for easy installation on specified 4dr Civic Si models with no modifications required.
Product Notes
- Designed as a true cat-back system starting after the catalytic converter.
- Polish tips regularly to maintain shine and prevent tarnish.
- Ships as an oversized item requiring freight carrier handling.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory hangers and mounting points.
- Includes stainless steel clamps and hardware for secure fitment.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2011 | Honda | Civic | Si |
| 2008 | Honda | Civic | MUGEN Si |
Why Choose Invidia?
- Established leader in JDM performance exhaust systems.
- Uses premium T-304 stainless steel throughout for strength.
- Precision engineering matches Honda Civic Si specifications exactly.
Frequently Asked Questions
-
Q: Will this fit 2006-2011 Civic Si coupe models?
A: No this HS06HC4G3S is designed exclusively for 4dr sedan chassis including Si and 2008 MUGEN Si variants. -
Q: What material is used in construction?
A: Full T-304 stainless steel piping canister and polished tips for maximum corrosion resistance and heat tolerance. -
Q: What warranty coverage is provided?
A: Limited lifetime warranty against manufacturing defects on welds and materials when installed properly.
Shipping & Handling
- Method: Ground freight for oversized package
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed at 48 x 14 x 14 inches
- Weight: 28 lbs
Catback
A catback exhaust system replaces everything from the catalytic converter back, covering the mid pipe, muffler, and tailpipe section in one bolt on upgrade. This collection covers catback systems for trucks, Jeeps, muscle cars, imports, and performance SUVs, giving you a straightforward way to improve sound, exhaust flow, and rear end styling without touching the factory catalytic converters or front pipe. Catback systems are available in stainless steel and titanium construction, with dual rear exit, single exit, and quad tip configurations, and a range of sound levels from mild touring tone to aggressive track character. Whether you want a deeper daily driver sound or a full track ready exhaust note, you will find a matched system for your platform here. What This Category Covers This collection includes complete catback exhaust systems, cat-back kits, dual rear exit systems, axle back adjacent catback upgrades, stainless steel and titanium exhaust systems, and street, tourin...
View Catback Products
Exhaust Systems
Performance exhaust systems for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop cat-back systems, axle-back systems, turbo-back systems, headers, downpipes, mid-pipes, mufflers, resonators, catalytic converters, exhaust tips, exhaust valve controllers, oxygen sensors, exhaust brakes, and motorcycle and powersports exhausts for Mustang, Camaro, Challenger, Corvette, Silverado, and Super Duty platforms. Every product is filterable by exhaust position, material, pipe diameter, and vehicle year, make, model, and trim so the correct fitment ships the first time. Black Ops Auto Works carries 7,441 exhaust SKUs across every position of the exhaust system. What This Category Covers Exhaust upgrades change sound, appearance, and in some cases power. Exhaust fitment depends on engine, drivetrain, and factory exit position, so confirm the exact platform before ordering any exhaust component. Exhaust Position Cat-back, axle-back, turbo-back, and header-back systems e...
View Exhaust Systems Products
Invidia
Invidia for Subaru WRX, STI, BRZ, Honda Civic and Type R, Mitsubishi EVO, Nissan 350Z, Toyota GR Corolla, Supra, GT-R, and Volkswagen GTI builds are stocked at Black Ops Auto Works. Shop N1, Q300, R400, Gemini, cat-back, axle-back, front pipe, downpipe, J-pipe, and mid-pipe exhaust components. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 221 Invidia SKUs across vehicle-specific performance categories. About Invidia Invidia focuses on vehicle-specific stainless steel and titanium exhaust systems for Japanese and import sport platforms. Its catalog covers refined street sound and aggressive track-inspired options, with proven applications for turbocharged Subaru, Honda, Mitsubishi, Nissan, Toyota, and Volkswagen vehicles. Vehicle-Specific Selection Use the application details on each listing to narrow the selection to the exact platform. Product availability and specifications ...
View Invidia Products