transistor281

On ebay they are selling 2 slp loundmouth cat backs for $329.00 are those any good? i have long tube headers coming in soon as well.

Also whats the best size throttle body for a stock lt1 with cai? lmk thanks

StealthFormula

iTrader: (35)

If the Loudmouth catback is brand new then that is a good price. If you plan to run an ORY with the Long Tube Headers then u might want to not get the Loudmouth catback because it gets really raspy and sounds like crap kinda like a pickup truck with no exhaust when running no cats. If you are to be running cats then it will sound pretty good. Don't bother buying a bigger sized throttle body for a stock car because you wont gain any power unless you've got heads, cam or whatever and making around 400rwhp. The stock throttle bodies on LT1's are plenty good for a bolt-on car.

MrCadillac

yep, keep the TB stock for now, spend the money else where.

LS1Silverado05

iTrader: (41)

I second the first response. I have Loudmouth with no cat...and like he said...it sounds like a glasspack truck. There is only a small "sweet-spot" where it sounds awsome. Other than that, its just plain loud. I liked it at first...but starts to wear on you.

transistor281

thanks for the help