Exhaust piping size etc

Looking to get a custom catback exhaust done at hitechmufflers in Sydney soon and i was wondering what you guys recommend for piping size etc? I want it to be a deep/aggressive tone/note not some farty sound and something that isn't too loud until higher revs.. Because i'm fairly sure these blokes haven't had much experience with honda's mainly subaru's holdens.. any help/input would be appreciated..

ps: before people say "why dont i save up a extra $200 and get a fujistubu or HKS silent etc" i'm getting "mates rates" at this place so it comes out MUCH cheaper then any other exhaust system and its all stainless steel..

how much are you paying ? buy a 2nd hand hks silent ? or why dont you tell them to make a replica exact same size of the hks ?

i'm paying $500 including installation etc. where can i find the exact size of the HKS silent for all its part?? does anyone have a video clip of how it sounds?

dont think ur guna get many replies if ur guna ask "how can i get this sound"
many ppl who see this automatically think "omg.. another ricer"
most ppl who are serious about exhausts aren't concerned about the tone produced but the numbers. If anything the only thing they are concerned about is the 'amount' of noise for example a twin loop will be a quiet zorst with performance benefits as opposed to the cannon which is the 'fart cannon'.

Anyways if u really must know youtube is ur friend as who the hell can describe exhaust tones anyways? There are many factors that can change a exhaust tone and i'm sure some shops can help u get the tone u want if they dont look at u like an idiot. For instance piping diameter and so on.

Best of luck with ur search.

haha i thought wanting a quieter exhaust with maximum power is the opposite of a ricer :S.. I just want to know peoples experiences with their euro's and exhausts.. if they used the double exhaust or single and what size piping they used and how the result came out on dyno and in person how loud..

twin loop oval mufflers will give you a nice deep quiet sound but still keep good flow... cannons (straight thru) will give you the best flow but can sound like a fart depending on size/baffling... i had a really nice 2.25inch zetti cannon on my pulsssar, sounded tough, not farty at all!

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Originally Posted by EUR003act

twin loop oval mufflers will give you a nice deep quiet sound but still keep good flow... cannons (straight thru) will give you the best flow but can sound like a fart depending on size/baffling... i had a really nice 2.25inch zetti cannon on my pulsssar, sounded tough, not farty at all!

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was it you that put a custom exhaust on your euro too? how'd that go?

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Originally Posted by johnprocter

was it you that put a custom exhaust on your euro too? how'd that go?

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yep thats correct :D

i originally took out the two centre mufflers, just ran 2.25inch piping from cat all the way to the rear, then splits into 2x 1.756inch and then runs to the stock mufflers... but sounded too much like a hyundai :thumbdwn:

so i got a centre hotdog added in (they're completly straight thru, give nearly no resistance at all)... that cut out alot of the high end sh*t... it doesnt sound tough, but it doesnt sound gay... extremely quiet when cruising, cant even tell its not stock... but when high revving it sreams a fair bit...

i am thinking about changing the rear mufflers (i have flanges on both sides so easy to swap around) or maybe even going for 2.5inch piping? not sure yet, i want to hear a euro with hks silent exhaust...

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Originally Posted by johnprocter

haha i thought wanting a quieter exhaust with maximum power is the opposite of a ricer :S.. I just want to know peoples experiences with their euro's and exhausts.. if they used the double exhaust or single and what size piping they used and how the result came out on dyno and in person how loud..

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My apologies but u didn't really make it clear that u wanted a 'quiet' exhaust. Anyways Ive got a twinloop for myself going to put it on soon I can give u an update when I do if u want.

Also I hear a twin tip gives a good rumble but i don't have much experience with this types.

i got a hks silent exhaust and i love it.
turn on ignition it gives a little sweet rumble
when its on idle it sounds like stock but a TAD little deeper.
when moving under 3000rpm- 4000rpm = the sound is completely stock
anything over 3000- 4000rpm you will hear the difference.

i dont know the dimensions of the hks silent though sorry. Since your mates with your garage owner and getting mates rates, ask them to find the dimensions for you.

When i have time i'll try post up a video of my exhaust if you guys want it.

^ I GOT ONE FOR SALE =p

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Originally Posted by BusterSonic12

^ I GOT ONE FOR SALE =p

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$950 2nd hand.. how much are they new :eek:

^ got mine for $1500 at r-sense and installed at is motor racing.

hmm... I'm actually deciding on Buster's HKS silent or a brand new Fujitsubo Legalis R..........

Trying to get a quote from HK for the Fujitsubo since AU$$ is very high atm :D

Anyone know any major difference between the 2?

apparently the hks is more louder or quieter. i dont know forgot.

^^ lol mad input.... jkz :p

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Originally Posted by r-r-redEuro

apparently the hks is more louder or quieter. i dont know forgot.

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hehehe what the! :)

:$ ...

Get a 3" exhaust system them make more power

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Originally Posted by r-r-redEuro

apparently the hks is more louder or quieter. i dont know forgot.

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hahaha thats exactly the reason i added you to my buddy list lol

LOL!! thanks man thanks LOL.

and what the hell 3" make more power ? i thought the smaller piping more air flow = more power ?

HKS Silent Hi-power better or Fujitsubo Legalis R??

Anyone know? In terms of power gain.

a turbo

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Originally Posted by r-r-redEuro

LOL!! thanks man thanks LOL.

and what the hell 3" make more power ? i thought the smaller piping more air flow = more power ?

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Hondata is 3" but that's tuned for that size.

What size is HKS and the common brands? Im thinking of getting a quote for a locally built system.

I have a feeling they are 2.5" but iam not 100% sure..

Fujitsubo Legalis R full cat-back system:

Further information:

* Pipe diameter: 60.5mm
* Tail diameter: 90mm
* Pieces: 4
* Standard exhaust noise level: 82dB
* Fujitsubo exhaust noise level: 88dB (Quiet muffler)

so thats 2.5inch

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Originally Posted by johnprocter

Fujitsubo Legalis R full cat-back system:

Further information:

* Pipe diameter: 60.5mm
* Tail diameter: 90mm
* Pieces: 4
* Standard exhaust noise level: 82dB
* Fujitsubo exhaust noise level: 88dB (Quiet muffler)

so thats 2.5inch

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lol now you just gotta find the hks silent hi-power specs for me :p

hks looks better, fuji looks more stealth both are only slightly louder then stock both good choices quality etc only way to decide is to take a ride in someones euro with mod already made sounds clips only give a ruff idea of what the system is like on the car

well euroo3act you can come to sydney and i'll show you mine =P

red euro, can i come and sit in ur car? :D

im srs about these 2 exhaust :o

Who else got fuji exhaust? I know E-Gene does

lol yeah why not akina.
live near bondi ? if i ever go i'll pm you on OZ the day before. =P

i want some responses from people with custom exhausts with their euro!!

hey yea man! i live in the east! i study at the city so anytime is fine for me :)

i study in the east :P near bondi beach

for maximum power gain get 3in exhaust

why..

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Originally Posted by EURON8

for maximum power gain get 3in exhaust

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i think he's going by the no back pressure rule...

its not all about pipe size for back pressure tho, mufflers play a massive part in this! example, you put on a 3" exhaust, but need four mufflers (same as jtunes) to keep it quiet... where as hks uses 2.5inch pipes and only three mufflers... that one less muffler addding back pressure, so they prob both have the same flow capabilities...

I don't think you gonna get much power difference from 2.5 inch and 3 inch comparison if you just add I/H/E mods. 3 inch exhaust, probably gonna be much difference if you combine with cams combo and higher flow intake manifold.