N nocaratall Member Feb 11, 2004 132 0 17 Apr 21, 2004 #1 Apr 21, 2004 #1 whats the differences between american thunder, 40 series and delta series?
T travis0712 New Member Apr 13, 2004 233 0 0 Missouri Apr 22, 2004 #2 Apr 22, 2004 #2 delta's are not as loud....and are newer...
wms004 Founding Member Jan 15, 2002 2,864 2 49 Los Angeles Apr 22, 2004 #4 Apr 22, 2004 #4 nocaratall said: whats the differences between american thunder, 40 series and delta series? Click to expand... "American Thunder" is the entire catback which uses 40 series Delta mufflers. They are a little smoother sounding than the regular 40 series, slightly quieter, and quieter on the inside of the car. 40 series means 2 chamber
nocaratall said: whats the differences between american thunder, 40 series and delta series? Click to expand... "American Thunder" is the entire catback which uses 40 series Delta mufflers. They are a little smoother sounding than the regular 40 series, slightly quieter, and quieter on the inside of the car. 40 series means 2 chamber
0 03gtdrkpny New Member Apr 4, 2004 79 0 0 IL Apr 22, 2004 #5 Apr 22, 2004 #5 They have delta's in stainless, and they're not that much quieter I like 'em.