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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
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At Invidia Exhaust, we are dedicated to creating exhaust systems that stand out for their exceptional craftsmanship, premium materials, and cutting-edge design. Our systems not only enhance vehicle performance but also elevate sound and aesthetics, catering to both racing enthusiasts and everyday drivers. Why Choose Invidia Exhaust? Performance Enhancement: Each exhaust system is meticulously engineered to reduce backpressure and boost engine output. Signature Sound: Experience an exhilarating exhaust note that sets you apart on the road. Precision Engineering: Designed using 3D scans of your vehicle's undercarriage for guaranteed precision fitment. Durable Materials: Made with Grade 304 stainless steel (or titanium for select systems) for exceptional durability and resistance to corrosion. Commitment to Quality With a commitment to ongoing technological innovation and stringent quality control, we ensure unparalleled performance, reliability, and durability in every product....
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