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Headers, cats, uppipes, downpipes, midpipes and mufflers.

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91scoobiesubie
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headers

Post by 91scoobiesubie »

what are the best headers for my 91 turbo
Legacy777
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Post by Legacy777 »

in all reality.....stock manifold. Cast iron retains heat better. Heat is not necessarily the driving force of the turbo, but you can measure the turbo's efficiency by measuring the temp pre & post turbo. The turbo is essentually a big heat sink.
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

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