True Dual Exaust
#2
True duals would be hard to fit under a blazer. The gas tank is in the way, at least on a four door. A properly sized single can flow just about as well as duals, and you can split it after the muffler, probably.
#4
I wouldnt if the engines stock. Ive seen a few,and they usually lost a little torque. They sound great,but usually lacks a little power. Unless your in it for sound,go single 2 1/4 pipe,high flow cat,and a flowmaster (the 40 deltas sound great on 4.3s) with a 1ft dump behind it.
Ive had great results doing so on 4 different blazers.
Ive had great results doing so on 4 different blazers.
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