I have a 2006 6.0 I'm looking for the best downpipe that will give me good preformence. What is the best size and brand.. Thanks
Tvila6.0
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4,765 Posts
As mentioned, the factory DP is 3", not 3.5".
A 4" DP will fit, but it'll be really tight and a lot of people have had the pipe contact the frame, firewall, etc and swapped it out for a 3.5".
Performance wise, you won't notice a difference between the two and I'd recommend the 3.5" in 409 stainless steel.
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A 4" DP will fit, but it'll be really tight and a lot of people have had the pipe contact the frame, firewall, etc and swapped it out for a 3.5".
Performance wise, you won't notice a difference between the two and I'd recommend the 3.5" in 409 stainless steel.
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