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| ea_5_spd |
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hey
im just wonderin at what power figure my 2.5in system should b up graded 4 n/a / nos???? cheerz kenny
_________________ mods: pacemaker extractors, 2.5in red back ,lowered with pedders 17" rims, extreme h/d ceramic clutch, 3.45 ef lsd, and rear brakes, clear indicators, ef thermo's, stage 2 crow (daily) |
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| krisisdog |
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I'd say never.
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| krisisdog |
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Actually, if you dont have a single muffler already, that'd be the only thing worth changing. Most turbos still run a 2.5" zorst, so they must flow pretty well....
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| ea_5_spd |
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krisisdog wrote: Actually, if you dont have a single muffler already, that'd be the only thing worth changing. Most turbos still run a 2.5" zorst, so they must flow pretty well....
most turbo carz run 3in 2.5in is 2 restrictive even 4 1.8 and 2l carz!!! i have a 3 inch on my rb20'd 180sx!! were did u get most turbos r runnin 2.5" ?????? i think the jmm ea is runnin a 3"
_________________ mods: pacemaker extractors, 2.5in red back ,lowered with pedders 17" rims, extreme h/d ceramic clutch, 3.45 ef lsd, and rear brakes, clear indicators, ef thermo's, stage 2 crow (daily) |
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| krisisdog |
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Why did you go and ask the same question again in a different section?
3" on a turbo 2L is huge overkill, but it seems like everyone does it, just so they can be loud and f@rt along. If a 2.5" mandrel bent zorst with 1 high flow muffler is too restrictive for a 1.8L car then why the f**k do we upgrade to one? And why do 5L V8s run either a dual 2 or 2.25" system or a 3" system? Surely with that logic they should be running in excess of a single 4" zorst???? |
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| krisisdog |
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As per PM
Quote: no offence mate i think u r a nob the reason i asked it in 2 sections is cos this question is more aimed at the knowledge of those guy's and so i dont get guys like u givin me answers that r s**t and my 10 yr old sister would give!!! as all imports have either 3 or 3.5" even 4 in zorsts fitted on rb 20, 25 and 26's so u sayin about 3" bein over kill on 1.8 and 2.0l's is bull s**t!!!! soi when u actually know the answer tell me not talk s**t!!!!!!! 2.5in doesnot let a turbo breath 2 higher power than 168rwkws as my mate prover on his el!!!!!! so u may think im a tosser but u have no idea about zorsts on forced carz!!! Unless your making in excess of 1000hp, I fail to see the point of a 4" exhaust, let alone 3.5". Pretty sure everyone here would agree with me that a 3" exhaust on 1.8L is overkill. Do you think its possible to flow that much air? Also I didnt realise all imports were fitted with 3" and were RBs. My bad. 
Wake the f**k up. |
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| skidder |
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ea_5_spd wrote: krisisdog wrote: Actually, if you dont have a single muffler already, that'd be the only thing worth changing. Most turbos still run a 2.5" zorst, so they must flow pretty well.... most turbo carz run 3in 2.5in is 2 restrictive even 4 1.8 and 2l carz!!! i have a 3 inch on my rb20'd 180sx!! were did u get most turbos r runnin 2.5" ?????? i think the jmm ea is runnin a 3" it doesnt matter if a car is turbo/6cyl/8cyl, exhaust only matters on the amount of exhaust gas it has to flow. Most 1.8L and 2L cars with 3in exhausts are there for the wank factor (sorry to put it bluntly), there are exceptions when the car is making high power (and hence flows more air). On a turbo 4L car 3in is pretty much what most people run as it easily flows enough gas. I have seen 2.5in exhausts used on many 250rwkw cars by people who aren't just after a lound exhaust. so to answer your question 2.5in should be fine and i would save the money of getting 3in.
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| raff-26 |
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krisisdog wrote: I'd say never.
True, if its a 4 inch system you are referring to-mate dont bother. I know a guy who put a 3.5 inch cat back, with a 5inch cannon at rear mate, when he drives past my house, i look twice to ensure its not a KENWORTH PRIME MOVER no crap it sounds pathetic and drones more then crash test dummies singer in mmmmm mm song.... 
_________________ EF Ghia 5L V8 |
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| raff-26 |
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ea_5_spd wrote: krisisdog wrote: Actually, if you dont have a single muffler already, that'd be the only thing worth changing. Most turbos still run a 2.5" zorst, so they must flow pretty well.... most turbo carz run 3in 2.5in is 2 restrictive even 4 1.8 and 2l carz!!! i have a 3 inch on my rb20'd 180sx!! were did u get most turbos r runnin 2.5" ?????? i think the jmm ea is runnin a 3" put in on, and then you'll take it off....and try a 2.5 on the 180- it wont blurt like a burpin fat guy- and actually send the pressure out dude.... eg: have a look at the set up exaust of a yzr 250 dirt bike, see how tiny the hole become at the end.......bit off topic, but you get the drift???
_________________ EF Ghia 5L V8 |
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| krisisdog |
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Oh what was that? I was right? Thought so dumbass.
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| ea_5_spd |
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no ya answer wasnt werth replyin 2!!
well turbos require as little back pressure as posiable 2 spin efficantly!! yes on a daily low powered aplication a 3 in is over kill on a small engine but on a track car that is makin large power figures a 3 inch isn't!!!! skylines makin 350rwkws have 3.5" zorsts!!!! well any way u r a nob!! and u r spamin my tread so wen u have a decent answer plz post but untill then f@#k off
_________________ mods: pacemaker extractors, 2.5in red back ,lowered with pedders 17" rims, extreme h/d ceramic clutch, 3.45 ef lsd, and rear brakes, clear indicators, ef thermo's, stage 2 crow (daily) |
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| Muffy |
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If some f**k says ZORST again, i'm going on a murderous rampage, true story you will see in on the news.....
exaust? your sound like a bunch on inbred hicks HEY MAH!!! MY ZORST FELL OFF THE DAMN 202!!! DERRRKA DEERRR!!! DEY TOOK ERRRR JJJEEERRRBSSS! |
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| prydey |
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Muffy wrote: If some f**k says ZORST again, i'm going on a murderous rampage, true story you will see in on the news.....
exaust? your sound like a bunch on inbred hicks HEY MAH!!! MY ZORST FELL OFF THE DAMN 202!!! DERRRKA DEERRR!!! DEY TOOK ERRRR JJJEEERRRBSSS! its actually 'exhaust' dude 
to the thread starter - just becaues all the ricers run drainpipes out the back doesn't mean they have to or that it gives the most power. it is purely wank factor. if you look underneath a lot of them will be running 3". have a look at our humble aussie falcon 6. xr6t to be precise. those things make towards 300rwkw with a stock system - 2.5". upgrading the exhaust nets no real gain and in some cases will lose power. there's also plenty around running into the 9's and 10's and there's no drainpipe coming out the back. a 4.0L will be pumping out more exhaust than your 2.5 and 2.6's.
_________________ eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough... |
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| ea_5_spd |
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xr6t run a twin 2.25" system!!!
can we get back on topic of wen should a 4.0l get a exhaust up grade from 2.5 " ie wat power figure does a 2.5" stop bein effeciant??? purely wank factor ay..... thats y most rb's make more power with a 3 inch or biggeR!!!!!!!!!!!!!!!!!
_________________ mods: pacemaker extractors, 2.5in red back ,lowered with pedders 17" rims, extreme h/d ceramic clutch, 3.45 ef lsd, and rear brakes, clear indicators, ef thermo's, stage 2 crow (daily) |
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| naughtyfalcon |
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mate you should come to the grafton races and check out the cars that race there,there are xf's ea's au's and commodes, not one has anything over 2.5 inches.
i know its abit out of left field but bigger doesn't mean better. the best size exhaust is the 2.5 as it gives the best all round performance.
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