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6th Gen ('00-'05): 3.8 Headers / Exhaust Fitment on 3.4 ??

  #1  
Old 02-28-2015, 12:43 PM
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Question 3.8 Headers / Exhaust Fitment on 3.4 ??

My question is this. Will 3.8 aftermarket headers / crossover pipe / downpipe fit on my 3.4 LS Monte? I have found headers for the 3.8 that are MUCH cheaper than headers for the 3.4. Sorry for the newb question lol
 
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Old 02-28-2015, 12:48 PM
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3800 and 3400 parts are not interchangeable. The geometry of the exhaust parts are all different.

You might be better off getting headers for a 3400 powered grand am and have an exhaust shop rework them to connect to a wbody down pipe.
 
  #3  
Old 03-14-2015, 03:45 AM
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The Maniac is right there not interchangeable. There 2 different engine families. The 3.8 is acutely a Buick designed engine that has its roots from back in the 60's and the 3.4 is a true Chevrolet engine
 
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