Part Number: PLM-HFG1-V2-K24-HEADER-CAT
Product Name: K-Series K24/K20 FG Header V2 with Bolt-On High-Flow Catalytic Converter
Vehicle Fitment:
- 2006–2011 Honda Civic Si (FG2 / FA5)
- Compatible with K20Z3 and K24 swapped setups in 8th Gen Civics
Full Product Description from PLM:
Own a K24 or K20 engine in your 8th Gen Civic Si? This is the ultimate header upgrade for your setup! Specifically designed to fit K24 and K20 engines, this header is engineered to deliver maximum performance.
The PLM Private Label Mfg. K-Series Header for 2006–2011 Civic Si models features a true step-up exhaust header design, ensuring improved exhaust flow and enhanced performance. The Version 2 (V2) design boasts a durable one-piece construction, guaranteeing a 100% leak-free installation.
Now upgraded with a bolt-on 200-cell high-flow metallic catalytic converter, this header combines performance and convenience for a perfect fit on your K-series engine.
Key Features and Benefits:
- One-piece design eliminates leaks and simplifies installation
- Includes bolt-on 200-cell high-flow metallic catalytic converter
- True step-up design improves exhaust flow and engine response
- Compatible with both K24 and K20 engine setups
- Designed for use in 8th Gen Civic Si chassis
- Improved midrange torque and overall horsepower
Technical Specs / Material Info:
- Material: 304 Stainless Steel
- Welds: Hand TIG-welded
- Header Design: Tri-Y, stepped piping
- Catalytic Converter: High-flow, bolt-on, 200-cell metallic
Installation Info:
Direct bolt-on installation for 2006–2011 Civic Si models. Compatible with most aftermarket and OEM exhaust systems. No cutting or welding required. Professional installation recommended.
Images:

Any Special Notes or Emissions Info:
This product is intended for off-road and racing use only. Not legal for sale or use in California or other states adopting California emission standards.
About Private Label Manufacturing (PLM)
Private Label Manufacturing, better known as PLM, is one of those brands that proves you don't have to spend a fortune to build something fast. Founded in 2005 and based in California, PLM has spent over 20 years making quality, affordable performance parts for car enthusiasts. Best known for their popular Power Driven exhaust headers, PLM has become a favorite in the Honda and Acura community, especially for B-Series, K-Series, and H-Series builds. From stainless steel headers and complete exhaust systems to turbo manifolds, downpipes, intercoolers, and engine swap components, PLM has plenty to offer. They've also expanded into platforms like the Subaru WRX and STI, Toyota 86, and other popular performance vehicles. Whether you're building a weekend race car or just looking to get a little more power out of your daily driver, PLM has some great options without the premium price tag.
Here at Elite Race Fab, PLM is a brand that goes way back with us, all the way to our early Honda days. We've worked with PLM for years, and it's been great watching them grow into the company they are today. If you've ever built a K-swapped Honda or spent a weekend installing headers on your project car, you know how exciting it is to finally fire that engine up and hear the difference. That's what makes this hobby so much fun, and PLM helps make those upgrades affordable. We're glad to work directly with PLM and offer their products to our customers. Whether you're starting your first build or working on your next project, PLM is a brand we know well and are happy to recommend.