Join Date: Mar 2009
Location: Blooming Prairie, MN
Re: Flowmaster 50 series Delta Flow or Dynomax Super Turbo
Dynomax 17665's on mine. Nice and quiet in car at cruise. Sound awesome when the 505 goes into tire smoke mode
Engine made 8 HP less on dyno with these mufflers compared to open headers and 16" extensions.
1970 Chevelle 505 640hp/625tq 700R4 with 2.84 gearset plus more goodies! Moser 12 bolt 33 spline axles Fitech Meanstreet fuel injection