Kooks and ARH are American made and the quality is generally much more consistent. Quite a few complaints about Speed Engineering ones over the years. Sometimes they work out but often times they have fitment issues. Worth springing the money for quality ones in my humble opinion. Buy once, cry once. 
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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