What do you find gives you more power?

[blackcoffee]

Anyone ever had a loss of power after they rid of their Cat's?

 

[AtomicHoe094]

you shouldnt feel a loss of power.. why do you ask?

 

[young_2010_chris]

i cut mine off then i welded pipe ti my axle then slapped 2 40 seris flows and i could tell a big difference i another thing if u havent done is e-fans i thought it helped alot

---------- Post added at 09:02 PM ---------- Previous post was at 09:01 PM ----------

what year is ur hoe

 

[mdiacont322]

i guess it is a good possibility that my cats are going bad... i have sputtering when im cruising between 60 and 80. other than that i dont feel anything though... i have my muffler off and it feels like everything freed up since i had the muffler on.

 

[blueflamed03]

if you need visual, pull the cats off, with a cutting wheel, open the top of it that faces twowards the floor board, beat out all internals, them weld back shut, bolt up. Visually they look OEM stock, inside, they are empty.

 

[AtomicHoe094]

who needs cats anyways!! lol save that shit on the inside tho! or just scrap the oem one out and buy a brand new one (magnaflow high flow ones) and youll only be like 10bucks in the new one

 

[97yukon]

i cut mine off just recently...loss of bottom end and a gain from top end. apparantly after i get my truck street tuned at futral tom i should see my bottom gains back as well as keeping what i gained in top. if your concerned with emissions deleting the rear o2 sensors clears that right up. thats what i did and it worked like a charm. just a suggestion

 

[mdiacont322]

how do you delete the rear o2 sensors? and how much bottom end is lost thru hollowing the cats?

 

[WICKEDOWESIX]

how do you delete the rear o2 sensors? and how much bottom end is lost thru hollowing the cats?

You do it through custom tuning. Also removing your cats does not make you loose low end TQ.

 

[97yukon]

removing my cats did make me loose low end...i got an upgrade to street tune today at futral and he confirmed it. checked my previous stuff after the basic...ive got it back now and some. i had a hypertech before....definitely go custom tuning.