View Full Version : Power gains with the mods I have without a tune

05-08-2012, 10:55 PM
I have an slp lid, LT headers 3inch y-pipe with flow master catback and cutout .I've yet to have the car dyno tuned what kind of power gains do you think I have gained not having it tuned yet?

05-08-2012, 11:12 PM
You might pick up an additional 10-20 hp with a tune.

05-08-2012, 11:16 PM
Ditch the flow master. Assuming its the one with the cross flow junk. But in all honesty LT headers alone on stock tune will net 15-20 rwhp.