Cat Delete or resonator? and exhaust questions
Aug 16, 2005, 07:22 AM
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Cat Delete or resonator? and exhaust questions
I will be getting exhaust shortly, but first I want to work my way from turbo back. I plan on getting a downpipe, then a cat delete. I am unfamiliar with resonators and I dont want to have a loud exhaust. So, which would create a more subtle exhaust note, a staight through cat, or a resonator. I always thought resonators made MORE noise? Also any thoughts on the Pruven exhaust. They say its quiet and you dont need a 3" exhaust until pushing 400hp. I am pretty much stock so no where near 400 ponies. Any truth to this. Is the stock exhaust pipe from the cat to the muffler any good? 
Thanks is advance?
Thanks is advance?
Aug 16, 2005, 07:29 AM
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If you don't want a lot of noise, get a cat. A catless exhaust with a resonator is usually louder than an exhaust with a cat and no resonator.
Aug 16, 2005, 08:24 AM
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Originally Posted by HiRevnVIII
I will be getting exhaust shortly, but first I want to work my way from turbo back. I plan on getting a downpipe, then a cat delete. I am unfamiliar with resonators and I dont want to have a loud exhaust. So, which would create a more subtle exhaust note, a staight through cat, or a resonator. I always thought resonators made MORE noise? Also any thoughts on the Pruven exhaust. They say its quiet and you dont need a 3" exhaust until pushing 400hp. I am pretty much stock so no where near 400 ponies. Any truth to this. Is the stock exhaust pipe from the cat to the muffler any good? Thanks is advance?
Thanks is advance?2) Get 3"...that's the best for our cars and there's no reason NOT to get 3".
3) A resonated test pipe will be quieter than a non-resonated test pipe.
Aug 16, 2005, 09:10 AM
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resonated is quieter? Allright, that should work. So the Pruven axleback exhaust is a no go? I just like it because it is supposed to be quiet.
Aug 16, 2005, 04:54 PM
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I replaced my Vishnu hi-flow cat with a megan resonated test pipe - result is slightly louder but not alot. I'm guessing closer to 12 to 15hp based on stage 1 vs stage 1 catless (noise) at dynoformance dyno last yr, but I'm no expert. 
Noticible gains without the cat and probably .5 to 1.0 mpg better - my mechanic put in adapter so I can switch back and forth easily.
With the test pipe I get the "check/service engine soon light" - I think there's a fix to this, but I'm not sure what it is.
Noticible gains without the cat and probably .5 to 1.0 mpg better - my mechanic put in adapter so I can switch back and forth easily.
With the test pipe I get the "check/service engine soon light" - I think there's a fix to this, but I'm not sure what it is.
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Aug 16, 2005, 06:12 PM
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i purchased an HKS hi power TI muffler from an e vo site, after that i got costum 3inch pipeing, and a week or so ago i went to the shop and had a costum 3 inch downpipe made also. not to mention i have a ultimate racing test pipe, i'll be honest it isnt loud what so ever. onoly gets loud when i punch it.
Aug 16, 2005, 07:20 PM
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donmeca, how much did they charge you for a custome 3" exhaust to the muffler. I have thought about this route as well.
tyrotrader. People have posted on here to get a pack of spark plug anti-foulers (hope thats right) from the help section of autozone. drill out one with a 1/2 inch drill bit and put this in front of your o2 sensor. one mat make the light go away, and from what ive read, almost everyone who uses both get it to go away. depends on the car.
sounds like HKS may be the way to go?
tyrotrader. People have posted on here to get a pack of spark plug anti-foulers (hope thats right) from the help section of autozone. drill out one with a 1/2 inch drill bit and put this in front of your o2 sensor. one mat make the light go away, and from what ive read, almost everyone who uses both get it to go away. depends on the car.
sounds like HKS may be the way to go?
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