The K-Series reflash is an updated ECU program for many K-Series ECUs. 
 

RSX

• 2002-2004 RSX- Type S K20A2 RSX 
• 2002-2004 RSX- Type S K20A2 with ITR Cams
• 2002-2004 Base RSX K20A3 RSX manual
• 2002-2004 Base RSX K20A3 RSX auto
• 2005-2006 RSX Type S K20Z1 RSX Type S 

Civic Si

• 2002-2004 Civic Si K20A3 Civic Si  
• 2006-2010 Civic Si K20Z3 Civic Si

TSX

• 2004 TSX (manual & auto) K24A2 TSX  
• 2005 TSX (manual & auto) K24A2 TSX 2005
• 2006 TSX (manual & auto) K24A2 TSX 2006

RDX

• 2007-2011 RDX K23A1 RDX

S2000

• 2006-2008 S2000 F22C stock
• 2006-2008 S2000 F22C with Toda Header

Jackson Racing Superchargers (available only through Jackson Racing):

• 2002-2004 RSX- Type S Race Upgrade K20A2 RSX Type S JRSC
• 2002-2004 Civic Si Race Upgrade K20A3 Civic Si JRSC