I am on my second set of MAC headers, this time, the long-tubes. I have their HTS coating which, in my opinion, sucks. MAC customer service is half-*** also. They make good power but as everyone has said, they were a pain to install. I would recommend BBK long-tubes. Their standard long-tubes were cheaper than mine with the coating. Good luck.
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FMS/Powerdyne 6psi SC, 73mm maf, 65mm TB, Cobra u/l intake, 24lb inj, 1.7" rockers, GT-40Y aluminum heads, Steeda #19 cam, MAC 1 5/8" long-tubes, MAC 2 1/2" pro-chamber, Dynomax Super Turbo mufflers, MAC 2 1/2" chromed exhaust, BBK 255lph fuel pump, FMS aluminum drive shaft, FMS 3.55 gears, and custom chip dyno-tuned by Swanson Performance. 391.0rwhp/377.5 rwtq SAE corrected
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