To all, About to buy new headers. Lookin at the Hedman shorty header part #88400. Anyone have any experience with these?? Complaints, recommendations, fitment problems etc...Please reply and advise. My car is a 64 futura hardtop, 289ci, auto B&M floor shift, power-steering. No other accessories attachments etc.. I hope to end up with 2-1/2" from the header back and get the noise away from the car. I need some help here yall. What are yall runnin?