If the pipe dont easily bend, just take a cutoff wheel, cut a slit in the primaries to allow it to open up, then fill the gap with a mig welder

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1989 IROC-Z
401 Victor EFI Twin Turbo
Dart SHP Block, Callies Compstar crank/rods
JE blower pistons 9 to 1 comp.
AFR 195 Eliminators, Mike Jones 233/233 cam
TH400/PTC 9.5" custom converter
"My FQuick Garage"