Here is a sneak preview of whats about to hit the Hyundai Genesis market.

Custom Performance Engineering is shortly releasing the Genesis Coupe V6 Long Tube Headers.

Constructed from 304 Stainless Steel, TIG welded to perfection and designed in CAD using the latest tools for optimal flow and equal length.

44.5mm runner piping (1.75″)
2.5″ X-pipe
Unique collector design for optimal balance in Hp/Tq gains.
Optional High-flow cats
Within +/- 0.1″ in length between runners.
Developed for best balance of low end and top end power.
Precision CMM and CAD designed, CNC bent and Robot welded.
Manufactured in house in the USA
Lifetime warranty, as always

http://www.youtube.com/watch?feature=player_embedded&v=0BWFwd8Mg_A