Quote:
Originally Posted by geaux_tigerss
I put 2" TSP headers no cats to my factory NPP catback. With the NPP valves closed it isn't much louder than stock. NPP valves open..... wake the dead.
Before I did headers I had pulled the fuse on my NPP. Occasionally I would wake the wife and kids in the morning when I left for work. After headers I put the fuse back in and have been starting it in stealth mode. I haven't woken anyone since then.
So I guess to summarize, headers with NPP valves closed is quieter than factory manifolds with NPP valves open.
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LOL, waking up the house. well, not funny if you're the one woke up, or have to deal with them afterwards.
Thanks for the comparison.
I'm a college FB fan, and i'd be safe to guess you're a LSU Tiger and/or fan.... i know it's a 6Gen forum, but as an Aggie i expect a reply could include Tiger meat, lol