Replaced Hooker comp plus 2" headers with TTI 1.75" in my 71 340 demon with 4 speed to get gorund clearance they were the hardest to install I have ever done in my 55 years of working on hot rods(TOOK 3 PLUS DAYS TO INSTALL) still have problems with the clutch linkage like the look , sound and extra clearance BUT WOULD NOT BUY AGAIN OR RECOMEND THEM TO ANY ONE
