I have PTC converters in three of my cars. I am happy with all of them. All street friendly for cruisin and flash where expected at the strip. I have a 9" 5600 in my Challenger, a 10" 4000 in my Roached Runner and a 10" 3600 in my Charger.


1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.