Honda Civic 1.5T Sedan Catback Exhaust with an N1-Style Tip
This FLASHARK cat-back exhaust gives compatible 2016–2021 Honda Civic 1.5T Sedan owners a direct bolt-on rear exhaust option with an N1-style muffler and 3.8-inch outlet tip. Built from mirror-polished T-304 stainless steel, it is designed for 4-door Sedan models with the factory 1.5L turbocharged engine; it does not fit Civic Si, 2.0L, Hatchback, Coupe, or Type R applications.
Specifications
| Brand | FLASHARK |
|---|---|
| SKU | FLES08177 |
| Product Type | Cat-back exhaust system |
| Material | T-304 stainless steel |
| Surface Finish | Mirror polished |
| Inlet Diameter | 2.3 in. |
| Outlet Tip Diameter | 3.8 in. |
| Muffler Style | N1 style |
| Installation | Direct bolt-on; no cutting or welding required on a compatible vehicle |
Key Features
- Cat-Back Configuration: This system replaces the rear exhaust section for the listed Civic 1.5T Sedan application without representing a header, downpipe, or catalytic-converter replacement.
- T-304 Stainless Steel: The mirror-polished stainless construction provides the verified material and finish information needed when comparing exhaust options.
- Mandrel-Bent Tubing: The page specifies mandrel-bent tubing, helping buyers identify the system’s formed pipe construction.
- N1-Style Muffler and Tip: The N1-style muffler is paired with a 3.8-inch outlet tip for the product’s stated rear-exit appearance and sound character.
- Direct Bolt-On Layout: On the verified 1.5T 4-door Sedan application, installation does not require cutting, welding, or custom fabrication.
- Included Hardware: The product page states that required installation hardware is included, so inspect all parts before removing the factory exhaust.
Sound Reference
The product page describes an N1-style tone. Actual sound in the cabin can vary with engine speed, transmission, load, and other exhaust modifications; use the customer-car video as a reference rather than expecting identical results on every vehicle.
Product Reference Image
This product-page image is retained as a visual reference. No fixed horsepower or torque gain is stated here.
What's Included
- T-304 stainless steel cat-back exhaust piping
- N1-style muffler and 3.8-inch outlet tip
- TIG-welded flange connections
- Required installation hardware
Inspect every component before removing the factory exhaust. If anything appears damaged or missing, contact FLASHARK support before beginning installation.
Check Before Ordering
- Confirm that your Civic is a 2016–2021 4-door Sedan with the factory 1.5L turbocharged engine.
- Do not order for a Civic Si, 2.0L model, Hatchback, Coupe, or Type R.
- Verify the existing exhaust layout and factory mounting points before scheduling installation.
- Before final tightening, align the pipes, hangers, and tip; then check clearance to the bumper, heat shields, suspension, and chassis.
Shipping & Returns
Free U.S. Shipping: Orders are typically processed within 1–2 business days and delivered within 7–9 business days. Additional charges may apply to remote areas.
30-Day Returns: Unopened and unused items in their original packaging may be returned within 30 days of receipt. Return shipping is covered for verified quality issues.
Worry-Free Delivery: Optional protection against eligible loss, theft, delay, or transit damage is available at checkout.
Fitment & Compatibility
- Fits factory-equipped vehicles with listed configurations.
- ✅Please confirm vehicle specifications before ordering.
| YEAR | MAKE | MODEL | ENGINE | BODY |
|---|---|---|---|---|
| 2016-2021 | Honda | Civic | 1.5L L4 | Sedan — 4 Door |
2016–2021 Honda Civic 1.5T Sedan Catback Exhaust FAQs
Q1: Will this cat-back exhaust fit my Honda Civic?
A1: It fits the listed 2016–2021 Honda Civic 4-door Sedan with the factory 1.5L turbocharged engine. Confirm both the engine and body style before ordering; the year alone is not enough to verify fitment.
Q2: Does it fit a Civic Si, 2.0L, Hatchback, Coupe, or Type R?
A2: No. This product is specified only for the 1.5T Sedan 4-door application, and those models or body styles are excluded.
Q3: Is this a cat-back system or a downpipe?
A3: This is a cat-back exhaust system. It is not sold here as a header, downpipe, or catalytic-converter replacement.
Q4: What are the verified inlet and tip sizes?
A4: The listed inlet diameter is 2.3 inches and the outlet tip diameter is 3.8 inches. Check the factory application before ordering because these values do not establish fitment for an unlisted Civic configuration.
Q5: What material is the exhaust made from?
A5: The product is listed as T-304 stainless steel with a mirror-polished surface finish. The muffler is described as N1 style.
Q6: Is cutting or welding required?
A6: On a compatible 2016–2021 Civic 1.5T 4-door Sedan, the product is listed as a direct bolt-on installation with no cutting or welding required. Previous modifications or damaged factory hardware can still affect the installation process.
Q7: Is installation hardware included?
A7: The product page states that required installation hardware is included. Inspect the parts and hardware before removing the factory exhaust.
Q8: How long does installation take?
A8: The product page lists an estimated installation time of 1–2 hours. Actual time can vary with vehicle condition, fastener corrosion, access, and prior modifications.
Q9: How will this N1-style exhaust sound?
A9: The page describes a deeper N1-style tone, while cabin volume can vary with engine speed, transmission, load, and other exhaust modifications. Review the customer-car video as a reference, not as a guarantee of identical sound.
Q10: What should I check after installation?
A10: Confirm that the tip is centered, the hangers are fully seated, and the pipes clear the bumper, heat shields, suspension, and chassis. Check for leaks or contact, then recheck the connections and alignment after a complete heat cycle.