I run them,but I have a LRT front end..They are custom.

1 7/8 to 2inch primary with 3.5 merge collectors,2 tubes do run out the inner fenderwells.I have plenty of room to remove starter..

1969 Barracuda 8 second all/motor small block 2014 Shelby GT500 Mustang Uratchko Racing Engines www.URE-RACING.com