Cat-Back Exhaust for 2001-2005 Honda Civic 1.7L (Excl. Si Hatchback) 4" N1 Burnt Muffler Tip
Upgrade your 2001–2005 Honda Civic (1.7L) with this high-performance catback exhaust system from FLASHARK. Specifically designed for the 2001–2005 Honda Civic (1.7L engine, D17A2) — Does NOT fit Si Hatchback (EP3) 2.0L models — this system features a 2.5" mandrel-bent stainless steel pipe, a 4" N1-style burnt tip muffler, and TIG-welded CNC flanges for durability and precision. Enjoy an aggressive deep tone, improved exhaust flow, and gains of up to 20 horsepower — all with an easy, direct bolt-on installation and no modifications required.
Specifications:
Brand Name: FLASHARK
Certificate: ISO9001:2000
Material: Stainless Steel
Surface: Mirror Polish
Application: Catback Exhaust
Model: AGS0385
Piping Size: 2.25 ~ 2.5" / 57mm ~ 63.5mm
Tip Diameter (IN): 4"
Mounting Style: 2 Bolt/3 Bolt
Inlet / Outlet Diameter: Catback: 2.25" Inlet
Muffler Tip Size: 4"
Features:
Increases 10 -20 Horsepower/Low-End Torque
TIG Welded CNC Machine Flange for Resistance against Pressure and Corrosion
Aggressive Deep Sound while Ensures Smooth Exhaust Gas Flow
Increase Engine Output and Efficiency
Package Includes:
- 2.5" Exhaust
- 4" Exhaust Tip
- N1 Style Muffler
- Includes removable silencer
FLASHARK catback exhaust systems are made of high-quality stainless steel with a fully polished surface, CNC-machined flanges, and mandrel bends. Designed specifically for the 2005 Honda Civic and compatible EP3 models, this system features aggressive styling and delivers a deep, strong exhaust tone. Its straight-through design helps improve horsepower, torque, and overall engine performance. The burnt 4" N1-style tip is not only a visual upgrade but also enhances the scavenging effect for maximum power output. Easy to install with a direct bolt-on fit — no modification required.
Fitment & Compatibility
- Exclusively fits 2001-2005 Honda Civic models factory-equipped with 1.7L D17A2 inline-4 engines ONLY
- ❌ ABSOLUTELY NOT compatible with Si Hatchback models
| Brand | Model | Year Range | Full Compatible Specs |
|---|---|---|---|
| Honda | Civic | 2001-2005 | 1.7L D17A2 Inline-4 Engine; EXCLUDES All Si Hatchback Models |
Frequently Asked Questions: 2001-2005 Honda Civic 1.7L Cat-Back Exhaust
Q1: Will this fit my specific year and model, like a 2002 honda civic ex exhaust system?
A1: Yes! This FLASHARK cat-back system is precisely engineered for all 2001-2005 Honda Civic models equipped with the 1.7L engine (D17). Whether you are looking for a 2002 honda civic ex exhaust system, a 2005 honda civic lx exhaust, or a 2001 honda civic lx exhaust, this is a direct fit for your 1.7L sedan or coupe.
Q2: Does this fit the Si Hatchback? I'm looking for an ep3 exhaust system.
A2: No, it does not. This system is exclusively for 1.7L engines. If you are searching for a civic si ep3 header + catback exhaust – fits 2002–2005 2.0l k20a3 hatchback or an ep3 exhaust system, this specific product will NOT fit, as the 2.0L K20 engine and hatchback chassis require a different exhaust layout.
Q3: How much horsepower can I expect from this 2005 honda civic exhaust system upgrade?
A3: By replacing your restrictive factory pipes with our 2.5" mandrel-bent 2005 honda civic exhaust system, you significantly reduce backpressure. This smooth exhaust gas flow can increase your engine's output by 10 to 20 horsepower while also improving low-end torque for better acceleration.
Q4: What does the muffler catback sound like? Is it too loud for daily driving?
A4: This muffler catback delivers a deep, aggressive, and sporty tone that unlocks the true sound of your Honda. However, it also includes a removable silencer. You can keep the silencer in for a quieter daily commute, or remove it for maximum volume and a pronounced 4" N1 style rumble on track days.
Q5: Do I need a 2002 honda civic exhaust system diagram to install this myself?
A5: Not at all! You won't need a complicated 2002 honda civic exhaust system diagram. This is a 100% direct bolt-on kit utilizing standard 2-bolt and 3-bolt mounting styles that perfectly match your factory hangers and flanges. No welding or cutting is required.
Q6: Does this replace my entire exhaust? Is it a 2002 honda civic full exhaust system?
A6: This is a "cat-back" system, meaning it replaces everything from the catalytic converter back to the rear bumper. While not a complete header-to-tailpipe 2002 honda civic full exhaust system, it replaces the most restrictive mid-pipe and rear muffler sections to give you the best sound and performance gains.
Q7: What does the catback exhaust tip look like on the car?
A7: The catback exhaust tip features a stunning 4-inch N1 style design with a premium "burnt" finish (blue/purple gradient) on a mirror-polished stainless steel body. It perfectly fills the bumper cutout, giving your Civic a highly sought-after JDM tuner aesthetic.
Q8: My factory 2003 honda civic exhaust is rusted out. Will this stainless steel system last?
A8: Absolutely. Unlike factory mild steel that rusts easily, this complete 2003 honda civic exhaust system is crafted from premium T-304 Stainless Steel. It features TIG-welded CNC machined flanges, offering superior resistance against heat, pressure, and long-term corrosion.
Q9: I have a 2004 model. Are there any differences for a 2004 honda civic ex exhaust?
A9: No differences at all. The chassis and exhaust routing for the 1.7L remained consistent. This system bolts right up perfectly as a 2004 honda civic ex exhaust or a standard 2004 honda civic exhaust system without any modifications.
Q10: Is this just a 2005 honda civic muffler, or does it include the piping too?
A10: This is a complete honda civic cat back exhaust system. You receive much more than just a 2005 honda civic muffler. The package includes the 2.5" diameter mid-pipe, the N1 style rear muffler section with the 4" burnt tip, the removable silencer, and the necessary flanges to bolt it together.
Q11: Will this system trigger a Check Engine Light on my 2001 honda civic ex exhaust?
A11: No. Because this 2001 honda civic ex exhaust upgrades the components after the catalytic converter and oxygen sensors, it will not interfere with your vehicle's emissions readings or trigger a Check Engine Light (CEL).
Q12: Is this an authentic 4 n1 style exhaust?
A12: Yes, the muffler features a true 4 n1 (4-inch N1) canister design. The straight-through N1 design is legendary in the Honda tuning community for producing maximum high-RPM exhaust velocity and that signature deep, resonant tone.