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2007 gmc envoy_denali
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396 Posts
Discussion Starter · #1 ·
high guys i,m gonna buy the kooks long tube headers with catted Y pipe are they fits our trailvoys 5.3L did any one try it
 

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Registered
2007 gmc envoy_denali
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396 Posts
Discussion Starter · #3 · (Edited)
i did twice , and they said it will work 100% and i did ask another company , asked them again , they talked to kooks and told me the same ,
 
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