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> Basic Intake and Exhaust Modification Guide, for normal aspirated cars v1.0

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ed0gawa
post Feb 20 2006, 09:51 AM


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QUOTE(soulfly @ Feb 20 2006, 01:39 AM)
PowerZone's 4-2-1 extractor was RM400 the last time I ask for pricequote. You'll get two for RM800 tongue.gif

For me, a step by step would be extractor -> air filter -> muffler -> camshaft -> piping.

The only problem for camshaft upgrades nowadays, none of the manufacturers seemed to bother making cams optimized for automatics.

I put piping for the last is because oversizing the exhaust piping does not do much. You could even feel power loss at lower rpm. Besides, you're on automatic. For automatic, the best performance mod is to gain as much power as possible from the lower till the midrange rpm.

For the muffler, maybe you could try look for 2nd hand Tanabe s-flow.... they're usually priced below RM400. For value setup, maybe you can get an 'F-1' brand muffler. It's kinda 'cap ayam' but my cousin had one of those last time... s-flow type with big 'stomach'. The sound is not noisy. And probably, you can remove the catalytic converter and replace it with bullet silencer to reduce more noise.
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O_o, wooT~ that's cheap at RM400 (considering my fren got his cap ayam for RM300 and he told me PZ cost RM800 .. damn him...)

I do need more low end power (did i mention accent sux at low end?)
Looks like my initial stage of mods will cost RM800 or so (extractor,cheapo simota,and muffler)
Is upgrading the camshaft important?
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soulfly
post Feb 20 2006, 03:31 PM


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camshaft makes most power compare to everything else
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vexus
post Feb 20 2006, 10:26 PM


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anyone here knows where is ram speed exhaust specialist ???
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Oly
post Feb 21 2006, 03:58 PM


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QUOTE(soulfly @ Feb 15 2006, 09:51 PM)
So cheap.... high probability that those are custom made ones.

Performance wise? Argueable... since the right extractor design must be properly tuned. Different primary/secondary pipe length leads to different kind of powerband.
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how about from J-FA sunway...custom manifold 4-1...
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Oly
post Feb 21 2006, 04:05 PM


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QUOTE(SimonsayZ @ Feb 16 2006, 05:05 PM)
Anyone knows what brands are available in KL for knock-off Twin Loop mufflers other than the original Mugen. I know there is Datco for local brand. Is the quality good in terms of performance and noise level? Anyone tested it yet?
What other brands available?
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my friend make custom...same diameter like the original twin loop...u want ka?.
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soulfly
post Feb 21 2006, 04:59 PM


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QUOTE(Oly @ Feb 21 2006, 03:58 PM)
how about from J-FA sunway...custom manifold 4-1...

I've never been to JFA, but I bet they don't have benchflow test.

However, turbo manifolds should not worry too much, as long as they're of matched length and good quality.

It's just for the NA that matters.
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SimonsayZ
post Feb 22 2006, 01:13 PM


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QUOTE(Oly @ Feb 21 2006, 04:05 PM)
my friend make custom...same diameter like the original twin loop...u want ka?.
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What's the quality like? I don't want noisy mufflers. If possible you could PM me the price and location. If got pic even better. Thanks. smile.gif
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Oly
post Feb 22 2006, 02:47 PM


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what can i say the muffler is not so noisy...very bassy muffler...only heard when vtec open only...location in lumut perak...if serious buyer can send to kl...pic will post it...item is used but made from high quality stainless steel and high temp resistant fiber...
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soulfly
post Feb 22 2006, 03:48 PM


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my engine is louder than my muffler at WOT w/VTEC
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vexus
post Feb 22 2006, 05:25 PM


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ops i think the name in RANSPEED not ramspeed.

any idea where the shop located?
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thom_chai
post Feb 23 2006, 10:54 AM


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QUOTE(soulfly @ Feb 20 2006, 01:39 AM)
PowerZone's 4-2-1 extractor was RM400 the last time I ask for pricequote. You'll get two for RM800 tongue.gif

For me, a step by step would be extractor -> air filter -> muffler -> camshaft -> piping.

The only problem for camshaft upgrades nowadays, none of the manufacturers seemed to bother making cams optimized for automatics.

I put piping for the last is because oversizing the exhaust piping does not do much. You could even feel power loss at lower rpm. Besides, you're on automatic. For automatic, the best performance mod is to gain as much power as possible from the lower till the midrange rpm.

For the muffler, maybe you could try look for 2nd hand Tanabe s-flow.... they're usually priced below RM400. For value setup, maybe you can get an 'F-1' brand muffler. It's kinda 'cap ayam' but my cousin had one of those last time... s-flow type with big 'stomach'. The sound is not noisy. And probably, you can remove the catalytic converter and replace it with bullet silencer to reduce more noise.
*




@Soulfly

U're from Miri rite? Do u know where can get Powerzone's 4-2-1 extractor and also other Powerzone's stuff like camshaft, exhaust piping, muffler and lots more?
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shinjite
post Feb 23 2006, 01:04 PM


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QUOTE(soulfly @ Feb 22 2006, 03:48 PM)
my engine is louder than my muffler at WOT w/VTEC
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Mine exhaust sound kicks in at 2500rpm to 3000 rpm then at high rpm my engine is louder than exhaust
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soulfly
post Feb 23 2006, 01:10 PM


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QUOTE(thom_chai @ Feb 23 2006, 10:54 AM)
@Soulfly

U're from Miri rite? Do u know where can get Powerzone's 4-2-1 extractor and also other Powerzone's stuff like camshaft, exhaust piping, muffler and lots more?

You know EON at Saberkas commercial centre there? They got PowerZone stuffs. My friend is working there.
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ping5828
post Mar 6 2006, 08:16 PM


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i'm from miri too.. wondering where i can find drop in type filter for kenari. thanx
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soulfly
post Mar 6 2006, 08:21 PM


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Most accessories shop will have it. But I prefer Tiong Hee, because they have plenty of stuffs, many choices.

If you're looking for original K&N, I think Siong Fah has it.
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soulfly
post Mar 7 2006, 04:23 PM


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Some drop in will actually cost powerloss.

There was a test done on an Acura RSX with K20A2 engine with drop in K&N filter, the result was lower by 1hp for max power compare to stock doh.gif
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sledgehammer
post Mar 9 2006, 06:48 PM


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hey sifus all

so far for the whole exhaust setup, extractor shd give the biggest difference to the performance rite? how about muffler? will aftermarket muffler gives advantage over stock muffler? (for NA car)
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soulfly
post Mar 9 2006, 07:16 PM


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muffler gives very very minimal difference... sometimes almost none, or worse.

most of the time muffler is just for noise reduction and for appearance.
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shinjite
post Mar 10 2006, 01:46 AM


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extarctor is the main 1, can feel the difference
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sledgehammer
post Mar 10 2006, 11:03 AM


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how bout the middle piping? for na cars ppl always recommend max 2 inches...
does that give differences as well? something to do with backpressure?
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