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View Full Version : Exhaust on a 99 grand prix

TheTrev99GP
04-16-2007, 10:46 PM
I have a 99 grand prix GT, and since I already did a cat delete and am running 2.5 inch tubing to the original mufflers. My question is: should I run one muffler with a single inlet and dual outlets or just run two seperate mufflers in place of the stockers, I figured if I ran one muffler it would take out the Y pipe helping the overall flow but I wasnt 100% sure
Jay
04-16-2007, 11:33 PM
I have a 99 grand prix GT, and since I already did a cat delete and am running 2.5 inch tubing to the original mufflers. My question is: should I run one muffler with a single inlet and dual outlets or just run two seperate mufflers in place of the stockers, I figured if I ran one muffler it would take out the Y pipe helping the overall flow but I wasnt 100% sure

get a single in dual out. It will sound less insanely stupid/hollow

v6's have a hard time putting out a deep tone. A 1 into 2 muffler does the trick.