Nnbs Texas speed LT's/ MIT
#13
most y pipe kits are dual 2.5 into a single 3 which is fine for most 4.8s and 5.3s. i personally like the flowmaster y merge more as it transitions smoother and helps aleviate drone in the process as well. so i guess i would have the y replaced with a flowmaster y merge to get most out of exhaust system. as for muffler, i prefer maganaflow for straight flow and sound. 14 inch case will be loud. 18 in between. 22 will be quiet but still growl when you get on it.
#16
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The 2007.5-2013 truck headers from TSP are NOT the same headers as the 99-07 headers, so the bung will NOT be a problem... someone correct me if I am wrong. I am also looking to get some of these headers for my 2010 truck along with their y pipe and I will be keeping my stock exhaust.
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