Quote:
Originally Posted by RalphGuevara
Well i was in a facebook group and there was this dude named Camaro ZLS who posted his exhaust videos and said he had a 3in Exhaust with the same Xpipe as well so that's one main reason why i was getting lost/confused.
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He has Overkill's Stage 3. Dude's getting 500+ hp. He needs the extra flow to push that much power. Unless you're pushing a ton more air than what the car is designed for (which would only come from high boost supercharge or twin turbos) then you'll lose power going up to 3" pipes. You won't be pushing enough air to keep the air flow laminar and it will cause backpressure.