Exhaust problem... please help....

moonblade

Registered User
I just got a new exhaust installed on my 90 SC. Instead of running 2 cats, there was a Y pipe installed to 1 hi-flo cat and a Y pipe from the cat to the 2 mufflers...

Where there is only 1 pipe I had installed 2 1/2 inch pipe and where there is 2 pipes there is 2 1/4.

Since i had it installed I have lost Torque and Hourse power.... I need suggestions on how I can improve back to how it was before or better because of a higher flow exhaust.

Please Help!!!

Jason
moonblade
 
I had on one of my sc's 2 2 1/4 going into one 2 1/2 inch cat with no resonator...And I picked up some power..So I dont know
 
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