PLM Private Label Mfg K-Series RSX / EP3 Tri-Y ( K20 ) header features a true step-up exhaust header design. 

The Tri-Y header delivers low to mid-end power while utilizing a four-piece design that maximizes the engine compartment space.  This exhaust manifold is ideal for all forms of competition; autocross, drag racing, and road racing.

Includes bolt-on test pipe (RSX), gaskets & all necessary hardware for complete installation.

Sound clip for RSX Exhaust: https://www.youtube.com/watch?v=ULFYKUUIptI 
Inside car sound clip: https://www.youtube.com/watch?v=0SJOa_G6Quw

• Made of 304 Stainless steel
• One year warranty
• Short tube Tri-Y header
• True 2.5" collector Machined
• CNC machined manifold flange
• Flange is .38" / 3/8" thick
• 18G on the 304 S/S.
• Measured at .049" to .050"
• Multi-Piece Race Design