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08-05-2009, 10:39 PM | #1 | ||
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Hey everyone,
im replacing my mufflers and cats... http://www.lukey.com.au/default.asp?...mplate=CONTENT Im looking at the glass packs.... Which mufflers offer the best flow you guys reckon? Does anybody have a lukey exhaust equipped? I'd like some feedback on lukey.... Ill probably get a full lukey system... including headers... So headers, single 3inch exhaust, 2 new cats and im just wandering which mufflers i should get.... Cheers Guys! |
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09-05-2009, 12:02 AM | #2 | ||
Resident AFF detailer
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have a look at the ballistic cats from sureflow exhaust (site sponsor) - they look like the ducks nuts - I'm getting one of them for sure!
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09-05-2009, 12:41 AM | #3 | ||
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Mate, you've got an 8 so standard it's twin 2.25... going to a single 3" you lose an 1.5" of flow. Get your resonator replaced with some straight pipes, your centre muffler taken out and replaced with either a hi flow exhaust or a pair of hotdogs. But get some pacemaker extractors, and hi flow metal core cats. Cheap power, with a a nice note ;)
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09-05-2009, 12:55 AM | #4 | ||
FF.Com.Au Hardcore
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yehhhh dont bother with lukey lol
yeh often you get a good sound but youre gonna have crappy power, they are a cheap product for a reason just like people have said.... go for the ballistic racing cat, its an awesome product i have one myself for headers yeh pacemakers are great, if you got the cash you cant go past a herrod system tho
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09-05-2009, 01:01 AM | #5 | ||
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Ahh ok thanks guys....
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09-05-2009, 01:27 AM | #6 | |||
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Don't bother with the Herrod system if you are planning mods, a single 2.5" system will become a restriction pretty quick.
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09-05-2009, 02:58 AM | #7 | ||
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i have a straight through muffler 2- half inch exhuast small muffler lot smaller then standerd with 2 baffles, extractors , 3 inch out let to 3 inch high flow cat to single 2 half inch and the noise is to die for, ive herd it when my mech took it for a drive and the sound was awesome as sounds like a v8, extractors and cat was from wreckers, 300 bucks and the exhaust is stainless steel which was 280 bucks, has helped my car alot more
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09-05-2009, 03:01 AM | #8 | |||
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Quote:
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Current Blueprint 03 xr8 5 speed manual, Difilippo Quad Big Boy system, BPR CAI, BPR Custom tune, Underdrives 256rwkw BA manual Typhoon Fully optioned, 340rwkw@16psi (thanks Bluepower)! The old ride.... AU Fairmont, cammed beast, R.I.P you made my p plate years bearable! 150.8rwkw courtesy BPR |
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09-05-2009, 03:07 AM | #9 | ||
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oh by the way, not being rude i just want to know lol
also RG, what do you think is the limit for a 2.5" system? i was looking at getting a 3" system but i was told by the tuner and the exhaust place there wouldnt be any gain even if it made up to 170-175 with headwork would you say something around 190rwkw? i havent bothered asking many people about this because 90% of people who drive a 6 cyl will tell you a 3" system is crap just because they dont like them
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Current Blueprint 03 xr8 5 speed manual, Difilippo Quad Big Boy system, BPR CAI, BPR Custom tune, Underdrives 256rwkw BA manual Typhoon Fully optioned, 340rwkw@16psi (thanks Bluepower)! The old ride.... AU Fairmont, cammed beast, R.I.P you made my p plate years bearable! 150.8rwkw courtesy BPR |
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09-05-2009, 06:21 AM | #10 | ||
Just slidin'
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AHAHAHAHA. Here we go again
As for the original system, its for an 8, get that three inch if its what you want, or twin 2 1/4. If you want a decent sound get Lukey, they wont loose any power over a normal exhaust as long as its a three inch muffler on a three inch exhaust. As for Cats, get 100CPSI Ballistic racing cats off sureflow. Best quality cats Ive ever seen, and flows as good as having no cat pretty much, lol.
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09-05-2009, 03:51 PM | #11 | ||
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Ok i was thinking maybe this.... Pacemaker headers 4-1, into the 100cpi ballistic cats, 2.5 inch pipes coming from the cats into a single hooker muffler (or maybe a lukey glass pack), and a single 3 inch pipe to finish? with twin tips
The reason im thinking of the 4-1's and 3 inch, is that im planning on either strokering and/or supercharging down the track Can someone let me know what my setup sounds like please... I dont care if u think its crap let me know if it is, i just want ideas for a 1 time job... cheers guys |
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09-05-2009, 04:06 PM | #12 | ||
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Twin 2.5".
/Thread
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09-05-2009, 07:08 PM | #13 | ||
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lukeys do have a good sound , i love the look of fear when a wrx pulls along side me.
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09-05-2009, 09:13 PM | #14 | |||||
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Quote:
You don't just double pipe diameter to reach flow, you need to calculate pipe area to calculate flow. Anyway, dual 2.25" pipes do actually flow a little more than a single 3" pipe. 2" = 12.5sq" 2.25" = 15.9sq" 2.5" = 19.6sq" 3" = 28.2sq" So as can be seen, dual 2.25" pipes will have an area of 15.9sq" x 2 = 31.8sq", as opposed to a 3" single pipe having 28.2sq". Quote:
My 8 banger has the tailpipes removed (not my choice) and fitted with straight through piece and it's way too loud and sounds horrible. Quote:
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09-05-2009, 09:25 PM | #15 | |||||
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Quote:
A single 3" flows quite a way less than dual 2.5" pipes. Quote:
Blown, well, it doesn't matter much, either will do. Single 3" is enough for a mild(ish) stroker, but not enough for a huffer. Quote:
If it were me, a 400hp stroker would be just right with a dual 2.25" system and tri-y headers. (I'll be fitting this very system to my stroker in a couple of months). A blown 500hp engine will be fine with either type of header, but a dual 2.5" system would be the go. So it really depends on which direction you're heading, and be honest with yourself, as plans change very quickly.
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11-05-2009, 02:05 PM | #16 | ||
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Ive got 2 lukey glass packed straight through mufflers 2.5" on a twin 2.25 system resonator removed 2 straight through pipes, pacemaker tri y's and hi flow metal core stainless cats. Mufflers will cost around $300, headers $700, cats $500. $1600+ and it'll flow really well, and sound pretty mean. Cheers
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11-05-2009, 02:11 PM | #17 | |||
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I have 4>1's and a twin 2.5" system on mine and it seems to make power and torque.
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11-05-2009, 02:40 PM | #18 | ||
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Ok, well i was thinking pacemaker tri-y's, into 2 ballistic cats,the rest is twin 2 1/2 inch from cat back? With lukey mufflers? Glass pack mufflers you reckon?
How much you reckon that would cost? And who would get a 2 1/2 inch and who would get 3 inch? |
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11-05-2009, 03:04 PM | #19 | ||
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IMO Dont get a 3" they dont flow as well... sound deep and droney. Glass packed ones are essentially big hotdogs with packing to shut em up a bit i think. All others besides straight through, allow for back pressure, kinda the same but two opposite pipes meet in the centre chamber of the muffler it's self, limiting flow a bit.
A 3" would cost $400-600 and a twin 2.5 $700 region All depends what influences you really, future plans/mods, sound, price,flow etc? Hope that helps a bit. |
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