View Full Version : 98 Sierra headers
05-02-2012, 04:11 PM
What kid of headers should I put on my 98 Sierra with a 5.7 and flowmaster headers back true dual exhaust?
05-02-2012, 07:36 PM
In all honesty, I've had long tubes and now running mid-length and I can't tell much of a difference from the stock manifolds. You won't gain that much and if I had to do it all again, I would have left the manifolds on. My first set of headers rusted through, plus I blew a header gasket on each header. And now I have stainless midlength and I had to keep a check to make sure that the bolts didn't back out.
It looks good, but that's about it. Best bang for the buck would be a custom tune for the PCM in my opinion.
05-02-2012, 07:48 PM
Ya I was talkin to my step dad about it and that's what he said I was planning on doing that over the summer after I it headers but I think I'll just save my money and spend it on a tune
05-03-2012, 04:13 AM
I put shorty headers on my truck and i can feel a night and day difference all across the powerband.
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