IMM Engines 408 build

All good
ex does notneed thelift or acceleration(depending on demand, relative flow, actual flow) but mullinax95 looks good
cuda- waht's your build and what cam- share the good news
I use the Maremont super turbo 36" motorhome muffler 3" in and out lifetime warranty
also resonators near end of tailpipes to reduce resonance at freeway(only ) speed
crossover pipe 2"