Has anyone ever put High flow cats or test pipes on there stock exhaust? and is it possible...cause i am looking for a nice cheap gain till i get my exhaust (Invidia GT2 *true dual* **new**) anyone have any comments or suggestions i would really appreciate it.

Thanks
Ben

 

Ben, I have the Helix test pipes on my car with stock exhaust. The exhaust is very raspy from around 2500 to about 4000 RPMS. I can live with the sound for the said performance increases. It is definitely louder than stock. If you can deal with the raspy sound and louder exhaust, spend the $170 +/- and get the test pipes. My Helix test pipes fit perfectly up to the OEM headers and exhaust.

 

which test pipes would you recommend? i am looking to put these on and off whenever i have to go into for emissions...changing them from the stock or high flow cats to test pipes, let me know if u could thanks

Ben

 

also what do u think of the V4 plenum? i am looking into it and want to know the quality, and has it cracked on you or is it still in good condition? also could u post pics..

Ben

 

Invidia is suppose to come out with test pipes when they bring out the Invidia 2 exhaust. I waiting for my exhaust right now also. They told me at the start of July.

 

I dont have the V4 plenum just yet. I was in on the GB from earlier this month. It is supposed to be here in the next few days.

 

Im getting La Bree test pipes with resonators .I have RT cats that are gutted because they collapsed , so I gutted them and put them back on....raspy..before..raspy after

 

I have the Kinetix cats on the stock exhaust. It sounds just like stock except that it's just slightly louder, has just barely more growl and maybe it's 1/4 octave lower in pitch. There is no rasp at all. A casual observer/passenger would not notice much difference from stock.
It gives the engine more throttle response and slightly more power throughout the RPM range--that's definitely what it feels like to me. I think it's a good mod and I'm glad I did it.

 

so everyone is leaning more towards kinetix cats rather than test pipes....i guess i will have to look into it, my budget is rather limited...also would the install be easy to do bymyself with 2 jack stands an impact wrench and of course a jack...is it possible??

Ben

 

get the crawford cats if you decide to go high-flow...they are the best out there

 

Have the Kinetix cats + JIC Y Pipe w/ stock exhaust. No problem.

 

I'd go with either Kinetix or Crawford. I think that they're both made by Magnaflow, though not positive.
You can do the job yourself, but you'll need to be somewhat of a contortionist. On each cat, one of the 3 bolts that fastens to the header/downpipe really needs to be accessed from the engine bay--in other words, I bought maybe 3 feet of extensions for the socket wrench to reach down and loosen up that bolt. You'll also need a univerasal joint at the end due to the off-angle of the bolt. Also be sure that you have the proper wrench to fit the Oxygen sensor--either the sensor wrench, a deep socket or if you're lucky, an open end wrench.
I suggest that you jack up the car, put the jack stands under the frame area and then crawl around under there to see if you are fine with trying it.
I did it on another car and it took a couple of hours. On my car I brought it to a good mechanic and it took them less than an hour and they charged $75. It seemed worth it to me.

 

I've been trying to find out the exact same thing. but it's hard because people who get test pipes wouldn't have stck exhaust in the first place...

Well I am having my Kinetix Cats shipped to me now and I will be making before/after sound clips with my stock exhaust.

let you guys know when I get it!

 

i accessed everything from underneath the car with very little effort given the right tools...no lift or air tools required...install took about an hour and a half...its definately do-able yourself

 

Yup. Can be done. Sounds like you know what you're doing, though it's mainly a question of working in a very confined area under the car.

 

headers will be my next adventure ....talk about confined it should be a fun one from what i have heard

 

I will be hosting a GB on the Kinetix high flow cats/ test pipes in the coming week. Chances are we would be able to gret about a $50 or more discount. I am obligated to do this due to a large discount on one of their products so keep looking at the forum for details as they come to me.

Zach

 

You'd better do about 3 weeks of Finger Yoga in preparation.

 

i am going to do some training on the bud-light treadmill , i will also be doing some 12 oz curls

one clicky at a time eh.....