DocRace 6466 or 1.01 A/R GTX3575rs

G3RSTY7

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Jan 11, 2021
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Putting a single on my e93. Always loved DocRace and 6466 seems to be the benchmark—but far from unique. Since the GTX3584rs is a 6762 do you thinking going a bigger 1.01 A/R would be a good alternative into a recirculated 3.5” downpipe/exhaust vs the 3” on 6466 (which I think people use a .84 A/R?)?

Cool or no? Probably going for 650-700whp just like everyone else on stock block, dual LPFP, port injection on e85
 

RuskiRacer

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Jul 17, 2019
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Most everyone i know using a 6466 is using a 1.0 ar or larger. I'm using a .81 on my 6875
 
  • Agree
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