New LS1 Owners - Newbie Tech - Exhaust Popping
08-20-2007, 11:44 PM
I got a 02 ss and starting to do my exhaust I had stock muffler on it and when I reved it would pop or rasp so I put a magnaflow on it and it got rid of it, but my ? is I am buying pacesetter LT's and thinking of removing my cats is this gonna make it rasp alot or not. Or if anyone has this setup could you post a video up so I would have a idea before I waste money. Last ? is it true you gain almost 50 horsepower with this setup?
08-20-2007, 11:49 PM
From what i hear, Magnaflows are a great choice if you don't want rasp with further mods (headers, no cats, cam, etc...) I would go with Magnaflow if you are getting headers and removing the cats...however if it were me i would spend a bit more and throw on a GMMG exhaust! Make sure you complete the entire exhaust system and add an air lid! But 50hp from those mods you listed is a bit high, i would say probably between 25-30hp max.
08-20-2007, 11:56 PM
would I have to get a tune if I removed the cats. Do the pacesetter make a rasp sound that bad because i really like those headers and the price is not that bad. I already have a magnaflow catback
08-21-2007, 12:00 AM
you wouldnt have to get a tune from removing the cats, but you could use it for the pacesetters...
08-21-2007, 12:17 AM
what would it do for the pacesetters i heard from a machine shop that if you remove the cats you would have to get a tune should I remove the emissions if I remove the cats
08-21-2007, 09:22 AM
You will have to do something about the rear O2 sensors. Either get sims or have them deleted from the computer. You don't necessarily need a full tune. I gained 17rwhp with headers(with cats).
08-21-2007, 09:46 AM
The only way to completely rid yourself of lift-throttle popping is to tune it out. You really should tune the car if installing headers and cat-back...or you'll never realize the true gains from the mods.
08-23-2007, 12:19 AM
I am buying pacesetter LT's and thinking of removing my cats is this gonna make it rasp alot or not. Or if anyone has this setup could you post a video up so I would have a idea before I waste money.
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