Normally when you have a SI/DO muffler the dual outs are smaller than the single inlet...I had true duals with 2.5" flowmaster 40 series delta flow mufflers, went to PaceSetter LT's with 3" ORY and single 3" exhaust and it was SOOOOOOOO much better.
Normally when you have a SI/DO muffler the dual outs are smaller than the single inlet...I had true duals with 2.5" flowmaster 40 series delta flow mufflers, went to PaceSetter LT's with 3" ORY and single 3" exhaust and it was SOOOOOOOO much better.
T-RAV99 GMC | 5.3 | Skinny White Guy Tuned
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