Well I did it today. I cna feel a bit of difference taking off and also here a little louder noise. All in all I'm happy with it. I paid $67 including filter so I can say it definatly beats the $250+ for the FIPK kit

thanks CKTA
www.Heglecustoms.com
07 D-Max. 4-5in mbrp exhaust with no kitty,Predator, 18's and 285's, esky handles, billet grill, Tint.