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Discussion Starter #1
ive had my full exhaust turbo back on my lbz for a few weeks and it really sounds good exept when you get over 2200rpm it makes a horrible and VERY LOUD hissing sound like a busted air hose. it has to be the new turbo doing this its not the egr because i unplugged it and the noise is still there. i just wanted to know if any other lbzs with turbo back systems are doing this my buddy with a catback system doesnt do it. its so bad i think im going to put the stock system back on
 

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Mine does it. I happen to like the sound though...
 

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ive had my full exhaust turbo back on my lbz for a few weeks and it really sounds good exept when you get over 2200rpm it makes a horrible and VERY LOUD hissing sound like a busted air hose. it has to be the new turbo doing this its not the egr because i unplugged it and the noise is still there. i just wanted to know if any other lbzs with turbo back systems are doing this my buddy with a catback system doesnt do it. its so bad i think im going to put the stock system back on
I have an LBZ as well. Getting ready to change exhaust.When you removed the cat, did you kick a code? The exist exhaust is 3.5". I have been advised to remove exist muffler and repl with 3.5" Magna-Flow. The rest is a waste of money.Any thoughts?
 

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ive been waiting for a light or code, but nothing yet. Ive driven about 3500mi of all types (racing, towing, highway, etc...).
 

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Discussion Starter #5
no codes until i pulled my fifthwheel,
 
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