No, not available around here. And why not headers?
They are a PITA to maintain, unless you find a set of TOGS. They will always have issues with the flex, due to it's size, and the u-bend will always have ground clearance issues.
Plus, there is very little gain with bolt-on cars.
2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
2005 F350 6.0 - studded, deleted, tuned
2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold