PLM K-Series Header & Catted Downpipe – TSX 2009-2014 & Accord 2008-2012

PLM K-Series Header & Catted Downpipe – TSX 2009-2014 & Accord 2008-2012

SKU: PLM-PCD-I4-CAT

Product Description

Maximize your Honda or Acura’s performance with the PLM K-Series Header & Catted Downpipe, engineered for TSX (2009-2014) and Accord (2008-2012) models. This high-quality exhaust upgrade combines a precision long-tube header with a high-flow catalytic converter, delivering improved exhaust flow, increased horsepower, and enhanced throttle response while maintaining emissions compliance.

Built from stainless steel with CNC-machined manifold flanges and TIG-welded construction, this header/downpipe offers durability, reliability, and a perfect OEM-style fit. The integrated O2 sensor bungs simplify installation and tuning, while the stainless steel braided flex pipe with interlock liner absorbs vibrations and reduces stress on your exhaust system.

No modifications are required—simply bolt it onto your OEM cat-back exhaust for a direct, hassle-free upgrade that combines performance, sound, and longevity.

Key Features

• High-flow catalytic converter included for performance gains

• 4.4" bellmouth with 2.5" outlet for maximum exhaust flow

• Premium stainless steel construction with heat resistance

• CNC-machined manifold flange for precise fit

• TIG-welded construction for durability

• Stainless steel braided flex pipe with interlock liner

• Built-in O2 sensor bungs for easy installation

• Includes gaskets, hardware, and Grade 8 bolts, nuts, washers

• One-year limited warranty

Specifications

• Flange thickness: 0.38"

• 18-gauge stainless steel tubing

• Direct bolt-on to OEM cat-back exhaust

Compatible Vehicles

• Acura TSX (2nd Gen, 2009-2014) – I4 K24Z3 2.4L

• Honda Accord (8th Gen, 2008-2012) – I4 K24Z2 & K24Z3 2.4L

Installation Notes

• Direct bolt-on design; no cutting or welding required

• OEM-style fit ensures seamless integration with factory exhaust

• Recommended for enthusiasts seeking improved exhaust flow, horsepower, and throttle response