.: Exhaust Modification Corner :.

Anyone has done anything in SuperCircuit? Can i have some feedback or if you guys have heard anything? Im looking at getting a downpipe and center pipe....

All feedbacks/comments/info is greatly appreciated.

Thank you very much.
 
Er bro just wana ask you edi mod your air filter to open pod ? IF just change exhaust but your air filter never touch no way to gain those you want. But when u mod exhaust to beter flow sure more noise unless u add more cat or bullet, which also restrict the flow hence not much to gain if you do it. And btw, gti ori exhaust claim by proton / lotus is well tuned edi. Can try to decat or take off bullet to gain few hp but abit noise and bad o2 smell. But seriously open pot gives best hp gain and then good engine tune also helps. 4G93 DOHC 16V is quite solid, get mivec top n ecu will give even better performance n fuel efficiency.

Hello,

apologies -didn't see reply :banghead:
yes, it's already open pod :biggrin: i guess if that's the case with respect to exhaust i will just decat/ take off a bullet and enalarge the tail pipe (change it to the round type-still double pipes though). How much would it cost?

Side track a bit:
Is the MIVEC top/ ecu still available nowadays? i think the top especially would be difficult to get.

thanks! realli appreciate the feedback.
 
Hello Guys,

I have a quick question. When you mod your exhaust system for a turbocharge car, do you make the internal pipe/tube of your backbox & midbox smaller or leave it the same as the piping. Example, piping is 2.5" then the midbox & backbox internal pipe/tube is 2.3" or just leave it all the way as 2.5"?

May i know some of your feedbacks and advise?
 
Hello Guys,

I have a quick question. When you mod your exhaust system for a turbocharge car, do you make the internal pipe/tube of your backbox & midbox smaller or leave it the same as the piping. Example, piping is 2.5" then the midbox & backbox internal pipe/tube is 2.3" or just leave it all the way as 2.5"?

May i know some of your feedbacks and advise?

Of course all the way 2.5"...why want to introduce restriction????
 
Of course all the way 2.5"...why want to introduce restriction????

Coz some ppl tell me, must make the midbox and backbox internal abit smaller so that wont lose low-end and pick up. More torque-ky. If do all 2.5" will lose low-end and pick up, only improve high end.

But some also tell me go 2.5" all the way coz is a turbocharge. So no issue. Turbocharge less or no restriction is better.

I also confused now.
 
Coz some ppl tell me, must make the midbox and backbox internal abit smaller so that wont lose low-end and pick up. More torque-ky. If do all 2.5" will lose low-end and pick up, only improve high end.

But some also tell me go 2.5" all the way coz is a turbocharge. So no issue. Turbocharge less or no restriction is better.

I also confused now.

If you look at HKS, Blitz, Magnaflow diagrams, the diameter is all the way without making the mid and back boxes smaller.

HKS and Fujitsubo publishes diagrams. These companies do R&D and dyno tests.
 
Coz some ppl tell me, must make the midbox and backbox internal abit smaller so that wont lose low-end and pick up. More torque-ky. If do all 2.5" will lose low-end and pick up, only improve high end.

But some also tell me go 2.5" all the way coz is a turbocharge. So no issue. Turbocharge less or no restriction is better.

I also confused now.

Depends on your capacity and boost level too. Mine is 2.0L standard turbo with 2.5" all the way to rear muffler. Nothing in between, means no center box.
My friend also 2.0L but higher boost, uses 2.5" until middle, then joint to 3" until muffler.
No fix rule, more to tuning and setup....:driver:
 
Depends on your capacity and boost level too. Mine is 2.0L standard turbo with 2.5" all the way to rear muffler. Nothing in between, means no center box.
My friend also 2.0L but higher boost, uses 2.5" until middle, then joint to 3" until muffler.
No fix rule, more to tuning and setup....:driver:


My capacity is 1.6L with stock turbo. Put will plan to do a remap. So i guess boost will go up after that. Any comments/advise?


Bro vr2turbo. You have no midbox, wont your car have the drone effect?? Or too loud??
 
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My capacity is 1.6L with stock turbo. Put will plan to do a remap. So i guess boost will go up after that. Any comments/advise?


Bro vr2turbo. You have no midbox, wont your car have the drone effect?? Or too loud??

See what type of power you will be getting then decide on the exhaust size.

When new the sound was very nice. Now after so many years the fiber glass in the muffler must be gone by now, the sound not so solid. Yes, when idling the sound can be heard from quite far. Not load but like you say more of droning sound....hahaha:biggrin:
 
See what type of power you will be getting then decide on the exhaust size.

When new the sound was very nice. Now after so many years the fiber glass in the muffler must be gone by now, the sound not so solid. Yes, when idling the sound can be heard from quite far. Not load but like you say more of droning sound....hahaha:biggrin:


I guess its time for you to change back muffler. Magnaflow perhaps?? Hahahahah
I dont want the droning sound. I think is going to be very uncomfortable if u drive for a long period of time. Hahahaha. So i think i will just leave the mid muffler. What u guys think?


Well, im looking at just hitting about 200-210 whp. Dont want to push the car to the limit as i still want reliability and is my everyday car. So with that in mind, what you guys think of my exhaust setup? 2.5" all the way through? Reduce the mid and back muffler internal?

Thank you
 
I guess its time for you to change back muffler. Magnaflow perhaps?? Hahahahah
I dont want the droning sound. I think is going to be very uncomfortable if u drive for a long period of time. Hahahaha. So i think i will just leave the mid muffler. What u guys think?


Well, im looking at just hitting about 200-210 whp. Dont want to push the car to the limit as i still want reliability and is my everyday car. So with that in mind, what you guys think of my exhaust setup? 2.5" all the way through? Reduce the mid and back muffler internal?

Thank you

That is why my VR no more using for long distance....hahhaha

Wah! 1.6 to hit 200whp? A lot of boost woh! Mine 2.0L of course standard boost of 0.6 say to hit 200bhp only. W and B a lot of difference woh!
 
That is why my VR no more using for long distance....hahhaha

Wah! 1.6 to hit 200whp? A lot of boost woh! Mine 2.0L of course standard boost of 0.6 say to hit 200bhp only. W and B a lot of difference woh!


Thats my ideal figure la...Hahahhaha....But we'll see what happens when the time comes....

So conclusion is stick with 2.5" straight through??

Anyone else has a different feedback or comment???

Thank you.
 
:slug:
That is why my VR no more using for long distance....hahhaha

Wah! 1.6 to hit 200whp? A lot of boost woh! Mine 2.0L of course standard boost of 0.6 say to hit 200bhp only. W and B a lot of difference woh!

who say 1.6 cannot reach 200whp? can ma...must put GT wing & add a lot of stickers haha :rofl:
 
but isn't 2.5" piping for 1.6cc a lil bit big? I can suggest 2" from extractor to mid box, then 2.5" till muffler.
btw wat car u using?
 
but isn't 2.5" piping for 1.6cc a lil bit big? I can suggest 2" from extractor to mid box, then 2.5" till muffler.
btw wat car u using?

If he can boost his 1.6 to 200whp why not, even more powerful then mine mah!.....:rolleyes:

---------- Post added at 11:20 PM ---------- 6 hour anti-bump limit - Previous post was at 11:19 PM ----------

But GT Wing cannot be TOOOOO big....If not later wind blow, the car fly backwards....:rofl:

Bro. Danz means BIG wings, BIG power, small wings, small power.......hahhahhahaha:rofl:
 

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