I bought the headers off ebay from seller skipwhite last fall.
Yep, had regular 2.5" 40's on the old motor.
Since my exhaust is now dumped under the bed, it's pretty much loud all the time...inside & out.
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11
383ci build /
exterior refresh thread
'98 Camaro z28: 370ci twin turbo
370ci build
'01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD