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which exhaust would be best choice

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hurricanes71

10+ Year Contributor
149
0
Nov 9, 2011
clarksville, Tennessee
Local shop is selling a 3" magna flow exhaust and is brand new and install for 500, Or theirs a guy on here selling a thermal rnd 3" full system for 375 shipped and looks pretty good and get it installed for 100. Which system will benifit me more. I like a low sound when idling but a nice lil roar when you floor it, But dont like it when its load when ## crusing down the highway and cant talk inside the car. Or theirs the apexi I could buy as well. Which in ## opinions would be the best or another system you know of thats better then these. Thanks again
 
Also that 3" inch downpipe off punishment racing should bolt right up to the rNd right?

When everyone says do the maintenance, We talking about oil pan,water pump,timing belt?? Or give me examples so I can go out tommow and get it all tooken care of

Ok so the ets ic is worth the buy?? Ill most likely go with the racing one their selling so it fits my car just right.

I'd suggest for starters an oem Mitsu timing belt kit from JNZ
Timing belt kit This is just an example I pulled up. Its for a 1g 6 bolt motor so depending on what year and engine you have you might need a different kit. Please don't skimp out on this with cheap parts store parts. Its just not worth it when it comes to timing components.

Have you checked your compression yet? There would be no sense to mod a car that has low compression.

Do a boost leak test and fix all the ones you find.

How about your clutch? If its stock its not going to hold 400hp for very long.

I don't know if anyone has given you this link yet but there is a lot of very useful info on here VFAQ
 
I'd suggest for starters an oem Mitsu timing belt kit from JNZ
Timing belt kit This is just an example I pulled up. Its for a 1g 6 bolt motor so depending on what year and engine you have you might need a different kit. Please don't skimp out on this with cheap parts store parts. Its just not worth it when it comes to timing components.

Have you checked your compression yet? There would be no sense to mod a car that has low compression.

Do a boost leak test and fix all the ones you find.

How about your clutch? If its stock its not going to hold 400hp for very long.

I don't know if anyone has given you this link yet but there is a lot of very useful info on here VFAQ

Beat me too it! Thanx! Yes maintenance before mods.
 
Hey I just noticed in your profile you have an Eclipse N/T listed. Is that the car your modding or is that another car? If you could fill out your profile with your car and mod list it will give us more info to help you out better. :thumb:
 
I'd go with the Thermal, and a DIY install. It should take even the most inexperienced mechanic under 2 hours to install. The really the longest part of the experience will be jacking the car up and removing the old exhaust.
 
This is an o2 dump. When the wastegate on the turbo opens to relieve exhaust gasses and control boost pressures, it gets dumped out. When you dump to the atmosphere it is very loud. There is no power gain or realistic advantage to running one.

This is a recirc. housing. Just like what comes factory on our cars. Quiet, clean, effective. Hope this helps you understand a bit better.

I fail to see how an open dump has no advantages yet a recirculated one does. It's the exact opposite. The open dump has zero resistance or backpressure against it which lets the exhaust gasses (which will take the path of least resistance) exit much easier.

While a recirced O2 is much quieter, it has very few advantages over a properly sized stock design O2 housing and is defintiely not better than an open dump. The gasses from the wastegate are still fighting resistance from the exhaust gasses from the turbo. Restricted wastegate = boost creep. Sure, porting the turbo will stop the creep, but we're talking O2 housings.

OP- If you go open dump, look into extending the pipe past the engine so you don't get soot all over the engine bay.
 
Ok I will put rest of money in maintance. No I gotta update profile I use to have a gs sold it and got my gst =]
 
I fail to see how an open dump has no advantages yet a recirculated one does. It's the exact opposite. The open dump has zero resistance or backpressure against it which lets the exhaust gasses (which will take the path of least resistance) exit much easier.

While a recirced O2 is much quieter, it has very few advantages over a properly sized stock design O2 housing and is defintiely not better than an open dump. The gasses from the wastegate are still fighting resistance from the exhaust gasses from the turbo. Restricted wastegate = boost creep. Sure, porting the turbo will stop the creep, but we're talking O2 housings.

OP- If you go open dump, look into extending the pipe past the engine so you don't get soot all over the engine bay.

To the OP I am sorry to fill you thread with a useless arguement.

But when in any of my posts did I ever state that an o2 dump had NO advantage? I didn't. I never stated that a recirc. housing was better then the dump. It is all personal preference. Do some research. Take a vehicle with a small turbo that has boost creep syptoms and swap the recirc housing with a dump. I bet you don't see a difference. This is truely only affective when flowing alot of air. (i.e. 60 lbs/min).

As a restrictive wastegate will cause creep, you cant fix it by just dumping it to the atmosphere. You really think the housing is what is restricting the flow? Think again. I bet its the wastegate port. Because its the smaller point which holds the most restriction.
 
depends on ir your gonna a cat with it. if you are then no other pipe is neededbut if you plan on runing it with out the cat your gonna need about a 14 inch long pipe that is going to go in place of the cat. that is called a "test pipe"
 
Always get a full exhaust, it is one of the best hp gains other than a turbo, and it is a must for an upgraded turbo.
The apexi n1 will have the best sound imo, i have one aswell with no cat and a downpipe.
Magnaflows are grumblers that sound pretty good and are middle ground on the sound level. Magnaflows arent my style though.
The thermals i have never really cared for. They start off low and get louder, but the overall sound "in my opinion" is not very good.

GET AN APEXI N1, never look back
 
Wait you lost me, I got to buy another pipe in order for it to connect??

actually you never said if you have a 1g or 2g gst but that down pipe for a 1g doesn't delete the cat but for a 2g it will eliminate the cat. Also make sure you order one for a fwd cause they are different than an awd one.
 
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