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  1. westie47

    Can you have too much header?

    I’ve been looking for TTI headers for my 440 but they are back ordered til late August. The only one’s available are 2” primaries with 3.5” collectors. I was looking for 1 7/8” primaries. Are 2” primaries too big? My engine is 450 hp/528 lb-ft with 2.5” exhaust.
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