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Breathe Easy: Int. & Exh. Headers + Mufflers and Pipes

78 messages,  Last post on Jan 28, 2009 at 4:46 PM

You are in the Speed Shop Tuning and Modification Forum.

What is this discussion about? Exhaust

This topic is for discussion of improved engine breathing, coming in (INTAKE) or going out (EXHAUST).

Messages Page 5 of 8

#39 of 78 Re: To go against what I said above... [purrnak] by only1harry

Jun 24, 2005 (3:24 pm)

Replying to: purrnak (Jun 09, 2005 11:50 pm)
You will have even worse luck with your '92 Talon. They 're nothing but trouble once they get up over 100k mi. I know because my neighbor has one, 2 of my friends had one and my best friend owns a garage and says the old Eclipses & Talons keep him in business sometimes.
 
After 100k mi., you will have expensive repairs not like that older car you were talking about. You 'll have check engine lights come on, you 'll need a new tranny, new computer, electrical problems, etc. We 're talking big $$ to keep your Talon running. Good luck, you 'll need it.

#40 of 78 '03 5.4 V-8 Expedition EB by bginsberg1

Jun 29, 2005 (4:18 pm)

I'm looking for ANY WAY to increase my gas mileage and I'm thinking of putting a Gibson performance muffler on my truck. From what I've read, it should increase my mpg by maybe 2-3?
 
Has anyone else out there done this to a similar V-8 engine and if so, can you share what, if any, benefits you're seeing now?

#41 of 78 . by fredmcmurray

Jun 29, 2005 (11:12 pm)

I seriously doubt an exhaust is going to raise your MPG by that much. That's, what, a 15-20% increase? I'd be surprised if there a difference you could detect at all.

#42 of 78 Re: '03 5.4 V-8 Expedition EB [bginsberg1] by Mr_Shiftright HOST

Jun 30, 2005 (8:09 am)

Replying to: bginsberg1 (Jun 29, 2005 4:18 pm)
You'd have to have potatoes stuck up your exhaust pipe to have such an increase with a new muffler. I agree, it won't make any difference, especially if your car has a catalytic converter.
 
If you bought an efficient and complete "cat-back" exhaust system with free-flow catalytic as well, you might get 3 or 4 horsepower and perhaps a teeny bit better mileage.
 
If mufflers could increase mileage 20%, manufacturers would have installed them years ago obviously.

#43 of 78 what exhaust system should i get? please help by mossyoak1012

Jul 01, 2005 (11:28 pm)

i have a 2005 V6 toyota tacoma and i was wondering what the best exhaust system i can get for it.what kind sounds the best with a V6

#44 of 78 Re: what exhaust system should i get? please help [mossyoak1012] by Mr_Shiftright HOST

Jul 02, 2005 (9:43 am)

Replying to: mossyoak1012 (Jul 01, 2005 11:28 pm)
I'm not sure if this company makes an exhaust for your particular vehicle but strictly for sound I really like ANSA systems.

#45 of 78 Best Exhaust for MAzdaspeed Protege by knightsball24

Jul 10, 2005 (3:18 pm)

I currently have the Greddy SP2 Exhaust on my car and i was thinking about purchasing the Blitz Nur Spec exhaust and was wondering if anybody knew how it sounded on this car or if they know that it sounds good with this vehicle and i was also wondering if i put headers and a down pipe on the car will it make a big difference in the way the exhaust sounds therefore i wont have to change it please write back if you have any suggestions or if you konow thanko you

#46 of 78 Honda Civic catalytic converter by bajook

Jul 16, 2005 (1:12 pm)

Will cutting off the catalytic converter help give my car more power. It is a 1997 honda civic dx. I would like to find any web links where i can see where i could and how to get it done.

#47 of 78 Re: Honda Civic catalytic converter [bajook] by Mr_Shiftright HOST

Jul 17, 2005 (10:03 am)

Replying to: bajook (Jul 16, 2005 1:12 pm)
I think you'd be much smarter to install a high-flow catalytic converter. Taking yours off has unpredictable results since your car's engine management system may be linked to your catalytic and cause possible loss of power, increased fuel consumption and the engine light to stay on all the time.
 
A high-flow cat with cat back exhaust might give you something like 8-12HP total.
 
Also as you may know, removing your catalytic is totally illegal.

#48 of 78 Help with exhaust high flow cat, sensor, resonator, etc. by icetre4

Jul 25, 2005 (9:55 am)

I have a 2004 Cavalier LS Sport. I work for my Dad who is a small dealer and we bought it with the intention to sell but after driving the car for awhile I decided I'd buy it. When we bought it it already had a cold air intake and headers. The previous owners also had put in a cat back exhaust but with no muffler. Needless to say, it was soooo loud. So we took it to the muffler shop and got a magnaflow performance muffler on it and that made it much quieter and acceptable. But as I've driven it more it's either gotten louder or I just forgot how loud it used to be, but either way I am annoyed with the noise, mainly on the highway at high speeds. So I've been looking for ways to quiet it down and I read about resonators. My plan is to get a resonator installed somewhere between the converter and muffler, and maybe get an exhaust tip that is also a resonator. While they're welding things I thought I might as well throw in a high flow cat and see if that would help my power at all. My question is: The high flow cat has no sensor socket. The resonator does. If I plugged the sensor into the resonator which would be down the pipe a bit, would it still pass emissions like it should? Would I be risking that or getting a check engine light? I don't know much when it comes to exhaust and things. Please help and sorry for the long story.

Messages Page 5 of 8

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