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2005 chevy trailblazer_ls
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I just put the 44 on my TB. it's not finished yet as I ran out of time and it's a straight dump right out of the muffler. But I purchased a 2.5 inlet and 2.5 outlet. The stock pipe size for our exhaust is OD 2.75 and the edges of the muffler matched up pretty close with no gaps
 
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