It's not a question of "IF" it will go, it's "WHEN" will it go. The stock manifold will not hold out under boost.... Some will last longer than others, but, sooner or later you will blow it apart.... My stang blew its manifold, and it didn't even have a blower.... The whole front water jacket just fractured one day at a red light. You can put it on there and see, but; one day it will break. Hammer lost his, and I know of several others that lost theirs....
Who knows, you might have it for years and never blow it.. or you could crack a runner the first time you start it up after the install... or, according to Murphy's Laws... it will blow itself apart when a rice-burner decides to set up, then he gets to brag about how he toasted a Blown Stang....
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// 1998 GT-Steeda Conversion \\ -- Sold
// Now own 2001 F-150 SuperCrew 5.4L \\
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