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R33 S2gtst Is It Worth Just Front Pipe And High Flow Cat Or Dump Aswel?

boostn0199

By boostn0199,
in Engines & Forced Induction

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krzysiu Grand Master

krzysiu

Posted
Posted

You can buy the Dump and front pipe as one. If you saw the size of the standard dump i recommend you upgrade. Best mod i did was the Dump+front pipe from just jap and the xforce highflow cat. Makes the car more responsive and come on boost sooner.

boostn0199 Grand Master

boostn0199

Posted
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Posted
You can buy the Dump and front pipe as one. If you saw the size of the standard dump i recommend you upgrade. Best mod i did was the Dump+front pipe from just jap and the xforce highflow cat. Makes the car more responsive and come on boost sooner.

did the dump and front pipe fit stright on or did you have to modify it?

J3TR33 Community Regular

J3TR33

Posted
Posted

im also interested in this, at the moment i have a hks front pipe, hiflow cat and a kakimoto 3inch cat back, with a stock dump.. will it make a big difference to change the dump, i was told not to change it as it wont make a difference.. thanks

Ultimategtr Proficient

Ultimategtr

Posted
Posted

I once had just a catback exh. I decided to upgrade the dump/front/cat.

Once i upgraded it all, im not sure whether it was just me or that i lost a little bit of responsiveness HOWEVER the boost hit ALOT harder and the exh had an angrier growl to it(no cats/reso's etc). It pulled ALOT harder throughout the rev range.

Have to be careful tho as you might get boost creep, which an ebc might be needed for then.

Kujotk Grand Master

Kujotk

Posted
Posted

front/dump/high flow cat and exhaust, best mod ive done. easy fit. cheap. i already had a cat back system so i saved quite abit of time and money.

my whole exhaust on an r33 gtst series 2 uses the original exhaust mounts.

just jap bell mouth front/dump 3inch, Xforce 3inch highflow cat, fujitsubo 3.5inch cat back....

  • 1 month later...
BaysideBlue Community Regular

BaysideBlue

Posted
Posted (edited)

Sorry for the newbie question. My mate has a N/A R34 (2.5ltr) manual, he wants to get a high flow cat and just a muffler. What size cat should he get? Same diameter as exhaust or bigger? The stock N/A exhaust I think is 2 1/4", not sure. So 2 1/4" or 2 1/2" or 3" cat? The less cell the better yeah? Thanks for any help.

Edited by BaysideBlue

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