-31%
Click to zoom in
SKU: HS12HC4STT
Invidia 2012-2015 Honda Civic Si Sedan N1 Titanium Tip 76mm Cat-Back Exhaust
The Invidia HS12HC4STT N1 Titanium Tip Cat-Back Exhaust replaces the stock system from the catalytic converter back on 2012-2015 Honda Civic Si Sedan models. This full cat-back setup uses 76mm mandrel-bent piping to improve exhaust flow for gains in horsepower and torque along with quicker throttle response. It delivers an aggressive N1 race-inspired sound while reducing weight compared to factory exhaust.
Key Features
- 76mm Diameter Piping: Mandrel-bent 304 stainless steel tubing ensures smooth exhaust flow reduces backpressure and supports power increases up to 12 wheel horsepower.
- Titanium Burnt Tip: Dual-wall 110mm rolled-edge titanium tip provides heat resistance premium styling and a lightweight finish that complements JDM aesthetics.
- N1 Silencer Design: Tuned resonators create a deep throaty tone with high-rev scream without excessive drone for daily driving or track use.
- Lightweight Construction: At 26.5 lbs this exhaust sheds over 15 lbs from stock for better handling and acceleration.
- Bolt-On Fitment: Direct replacement with OEM hanger compatibility for straightforward installation on FC1/FC2 chassis sedans.
Product Notes
- Exclusively designed for Honda Civic Si Sedan chassis not compatible with coupe or hatchback models.
- Produces noticeably louder volume than stock especially under load with no check engine lights triggered.
- Ships in a single oversized box to protect components during transit.
Installation Notes
- Professional installation recommended.
- Requires cutting or removal of stock midpipe and rear section after catalytic converter.
- Includes all gaskets clamps and hardware for bolt-on mounting to factory locations.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2015 | Honda | Civic | Si Sedan |
Why Choose Invidia?
- Established leader in performance exhaust systems with JDM heritage.
- Uses premium 304-series stainless steel for corrosion resistance and durability.
- Precision engineering from CAD design to dyno testing for reliable fit and gains.
Frequently Asked Questions
-
Q: Does this exhaust fit 2012-2015 Honda Civic Si Coupe models?
A: No this HS12HC4STT is engineered specifically for Si Sedan models with FC1/FC2 chassis. Coupe requires HS12HC4STC variant. -
Q: What material is used and how does it finish?
A: Piping is T304 stainless steel with a polished finish and the N1 tip is genuine titanium with burnt surface treatment for style and heat dissipation. -
Q: What warranty coverage applies?
A: Invidia offers a limited lifetime warranty on welds and material defects when installed by certified shops with proof of purchase.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Single box measuring 52in x 14in x 14in
- Weight: 32 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