07 and up 5.3 headers
#11
Launching!
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LPPs shorties fit I have them on my 09. I'm switching to pacesetter lts and hi flow cats when I get home on leave. No check engine lights or warranty issues with the shorties but I dont know how much of a gain you would get. I liked them but I want the lts. My opinion is go for the lts to start.
#13
Launching!
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slightly noticed some improvements sounds was a lil better and they look good. I could average 21.7 mph on the highway at 70 and I had the 91 octane diablosport tune. It just wasnt enough for me.
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