forgot to mention im using a full 3" pypes kit with an X pipe. & probably too big 2" hooker super comp headers. stock hei but set up by member "suntuned" to match the combo, think its like 34 max. never played with it on the dyno or at the track.
Ive heard of & seen cars with a good 2.5" system doing low 11s & faster so im not sure its all exhaust on your car, im thinking its traction & launch more.
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