Quote:
Originally Posted by Hujan
I already bought the catless, but just curious what the power differences are between HFC and catless DPs in your experience.
Also, intake-wise, I believe you like the AFE Stage 2 sealed intake pictured below, correct? The question is, do you recommend using it with the cover on or off? I've seen recommendations both ways.
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You can achieve more torque with the HFC over the catless DPs as it gives more back pressure. Also, you would have less to worry about drone, gas smell, and rasp with a HFC
Yes I favor the aFe Stage 2 SI intake . Cover off if you want sound, if you want your system to work optimally then cover on especially during positive DA. Ive tested both ways. If you have negative DA weather then cover off as there is a lot off passive air from outside hitting the engine bay while "moving"
Cover on having a vacuum intake character you can produce more boost with less wgdc ie your turbos run more efficient