Guess the HP

LOL! That great. I paid, *I Think* it was $89 for my blackjacks for my Duster. That would be ‘85/‘86…. *I Think!*
They were aluminum coated? Color was white and texture was rough.
I used 2-1/2 pipe into some “Sonic Turbo” mufflers. It ended at the axle. Thunderous sound from a 318! LMAO!