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  1. Engine Tunes/Mods
    So I took a spirited ride down the on-ramp the other day, and now I have some noises that are not just LS noise. I cant think any reason I cant put any old 5.3 in my car? These mid summer LS prices have me looking at rebuilding it myself. All I get from the salvage yards is (it has to 2007...
  2. OEM Issues
    Hi guys, I'm new here. I recently acquired a 2006 Trailblazer LT that has been having driveshaft \ u-joint issues. The former owner replaced the chewed up old driveshaft with a $35 used rusty junkyard shaft and a new rear u-joint. It wasn't long before the new u-joint fell out. I made an offer...
  3. TrailBlazer / Envoy Chat
    Hey Guys, Im gonna get a flowmaster super 10 in the spring, should i go dual exhaust? (custom bending of pipes, aluminum i think) or single? plus im gonna get new tips and have it straight piped. So, my question is, is there more volume with 2 pipes than with one? (because muffler is single in...
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