Hey guys,

trying to decide on an catback system and wondering if anyone has any input good or bad about the above mentioned systems?

And, when getting these, what are most doing with the cat converter? getting the test pipe, or the hi flow cat?

OR, is there any other good systems out there i haven't heard of yet?

Finally,
I like the look of the single out of the AMS better than the UR, but don't like the open hole left over. Is there a fix for this?

thx much!

 

There's the hks legamax catback. I'm trying to decide for myself too. I think I'm gonna go with UR cuz of the price and heard good things about it.

 

AMS will probably yeild more power gains. but its only a single.

The UR is dual, looks cleaner and sounds nice but since its more restrictive(three mufflers, plus more piping) you will get less power...most likely.

 

I have an AMS hi flow cat for my AMS catback exhaust. I could've used the stock cat though. I get a SES light now because of its high flow...

I have to get the o2 sensor extender to eliminate the light. You can just get the catback and have no SES.

If you do AMS catback, boost pill and reflash. Your car will beast on stock EVO X's.

 

I dunno about that, youll pretty much be equal with a stock x.

 

the high flow cat should add a lil extra hp though would it not? Did you do anything about the hole where the other outlet used to be for the stk exh?

The hi flow cat should also make it louder FTW.

Who makes the o2 extender so i can get rid of that SES?

 

this make no sense at all. the mini muffs combined might have the same resistance as the larger main muff on the ams system. Mine only has the 2.

Additionally, the extra 18 inches of piping is not gonna reduce the power to any level you can notice... lets be real here.

 

The AMS cat back is a straight through exhaust. It is also the lightest one. So both weight loss and straight exhaust equate to more power. Although power throughout the power band would probably be comparable. In the top end the AMS should make more power because of the straight through design (least amount of resistance).

At this power level (stock turbo) there really isn't anything substantial to make you decide to pick an exhaust because it makes a lot more power.

The debate should be 1 pipe or 2 pipe. Usually engines in the V configuration use dual pipes. One pipe for each bank. For a 4 cylinder the most efficient exhaust is a single pipe.

It's your car. You will modify it to your own liking. Whether you get a single exhaust for 500 bucks and have a hole on your bumper or get a dual cat back for 700 bucks and get a deep tone exhaust.

My decision came from wanting to support AMS because they are doing great things for the industry. As soon as they come out with the EVO X turbo kit. Then we all can pick up some stock evo x turbo/mani's....

 

there was a guy on here, i saw, that made a plug for the second hole out of some high-density foam and bondo. he did a really good job and it looked like it should be a legit option for people who want to do single outlet exhaust, lemme see if i can find the thread...

 

well they came up with a list of every peice you need to complete the X turbo swap, there are a lot of places you can pick up a new X turbo for a cheaper price than the dealership. If I had the money i would pick up the turbo and manifold from any other reputable company. Dont have to wait for AMS to come out for an actual kit

I think forced performance sells the X turbo for 1000 and I've seen it on other sites for the same price, so basically we can all already get evo x turbo and mani's

 

just go with you gut feeling.....

i when through 2 cat back till i settled with AMS...

both UR and AMS are amazing exhaust......

just know that 3" piping means louder sound.... i am running a 3" test pipe with the AMS 3" catback people can hear me 3 blocks away at 3500rpm.... soo keep in mind how loud you want it... now with the UR option its a bit more.... but you can have up to 3 mini mufflers... and that will help it out to keep the tone down....

so either one you are choosing there both great products...

 

calm down boy,
it does make sense. may be minimal, but it does make sense.

 

NO NO NO.

I mean when the AMS upgraded EVO X turbo kit comes out. ALL THE stock turbo evo x's will sell their X stock turbo. Right now, there's only a handful.

 

Hopefully, they do come out with one by tax return season.

 

Mines for sale let me know 6k miles...