$350 won't even buy enough 321 stainless mandrel bends to fabricate *1* header...
I'd run far, far away from those. For $350 the material used is VERY suspect and the labor can't be all that great either.
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1969 Chevelle
Old setup: Procharged/intercooled/EFI 353 SBC, TKO, ATS/SPC/Global West suspension, C6 brakes & hydroboost.
In progress: LS2, 3.0 Whipple, T56 Magnum, torque arm & watts link, Wilwood Aero6/4 brakes, Mk60 ABS, Vaporworx, floater 9" rear, etc.
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