Exhuast/HP ???

[ls1eater]

Anybody get on the dyno when stock and then after doing axle backs always wondered If I gained any extra whp I know the gain is minimal but I wonder how much

 

[me32]

if your lucky maybe 5hp, you can prolly gain about 10-15hp from a 3in Catback.

 

[LthlGt500]

do you lose torque from doing a muffler delete

 

[me32]

do you lose torque from doing a muffler delete

i would think not only due to the mufflers being at the very end of the system.