yea, he's right. an exhaust on our cars aren't that restrictive and yea the gains won't be that much with a cat back. on other cars like hondas, you'll see a bigger gain more likely since their oem exhausts are more restrictive.
alright im a lil dissapointed right now....just came back from my local performance shop and hes like alright i can do this for you but before i do it i just want to let you know even if you buy a new cat you'll be lucky to get 2 or 3hp from it. hes like unless you go forward and get forced induction this is only going to make your car sound a hell of a lot better.
so my question to you guys is do you guys feel a difference going with larger pipping and a new cat. and those who say yes did you get it dynoed...cause the mind can be tricky once money is spent.
or if you dont have it done and know about this please let me know cause i dont wanna throw away money to make my car reach a few more dbs...its only 200 something but still
Scott
yea, he's right. an exhaust on our cars aren't that restrictive and yea the gains won't be that much with a cat back. on other cars like hondas, you'll see a bigger gain more likely since their oem exhausts are more restrictive.
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k cause he was sayin if i was goin to do it...i told him that i was goin with 2.25" pipping and i already got my muffler which is a 3" in and out and i would get a new cat which would have the same 2.25 in and out....but he said why not go for the 2.5 in and out everything well except the muff of course cause im not buying a new one.....
so even with that would it do something...cause this site that has this cat for sale claims 10hp and some more touque....but all in all he did say my car would sound damn good
let me know
it may sound better, but you wont notice any power gain.
at best youde get 3 or 4 HP.
the exhaust is definatly NOT the major restriction on these cars.
Not the cat-back anyway...it's the emissions controls that rob every car of its power. Replace the Cali spec's exhaust manifolds to the end with freer flowing pipes and see what it does for you. For me it gave me back 19 more whp and 25 more ft lb torque at the wheels, but I failed emissions (I just went to find out for future reference) and had a car that was loud as hell.
"Daisy tumbled short of his dreams, not through her own fault, but because of the colossal vitality of his illusion... No amount of fire or freshness can challenge what a man will store up in his ghostly heart. " - F. Scott Fitzgerald, The Great Gatsby
"I have not failed 700 times. I have not failed once. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work." - Thomas Edison
so what did you do...and how can i do that but pass emmisions...without making my car sound too loud haha
<div class='quotetop'>QUOTE(ScOtTiE_MaK)</div><div class='quotemain'>so what did you do...and how can i do that but pass emmisions...without making my car sound too loud haha</div>
The downpipe was made from 2.25 inch pipe, then it was expanded to 2.5 after the cat to the muffler. You really can't do this to your car and expect to pass emissions. I passed visual but when they put it on the dyno it failed by a little bit. Those pre-cats make a difference...it's not huge but it's enough to put out a tad more pollution than a Fed spec.
"Daisy tumbled short of his dreams, not through her own fault, but because of the colossal vitality of his illusion... No amount of fire or freshness can challenge what a man will store up in his ghostly heart. " - F. Scott Fitzgerald, The Great Gatsby
"I have not failed 700 times. I have not failed once. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work." - Thomas Edison
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