FOONIN Donating Members 678 Member For: 15y 9m 25d Gender: Male Location: CHCH NZ Posted 10/11/10 07:03 PM Author Share Posted 10/11/10 07:03 PM Yeah I really dont beleive a single 3inch will be outdone by a stock system. They have chambered mufflers on a stock compared to straight through on a 3inch. Chambered mufflers weight is the same as a fridge :nuke: .. EPA? who are EPA? oh they are those hippies that we keep out of unzed. Aussies seem to love them... also whats the big debate on intercooling piping size 2.5inch and 3inch??? whats better? Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 11m 4d Gender: Male Location: Vic Posted 10/11/10 07:10 PM Share Posted 10/11/10 07:10 PM 2.5" hotside 3" cold side A stock exhaust with centre muffler out and hi flow cat would set you back $350, and will flow 350rwkw, 3" would onlyFlow marginally more, if it's lucky. Link to comment Share on other sites More sharing options...
FOONIN Donating Members 678 Member For: 15y 9m 25d Gender: Male Location: CHCH NZ Posted 10/11/10 07:15 PM Author Share Posted 10/11/10 07:15 PM I keep getting told 3inch is over kill for IC piping. Would it result in alot of turbo lag? Plus 2.5 hot side and 3" cold side? whats with that? I thought air expands when cooling so wouldnt the other way around be better for more air pressure? Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 11m 4d Gender: Male Location: Vic Posted 10/11/10 07:22 PM Share Posted 10/11/10 07:22 PM Try squeezing 3" hotside in it's hard enough with 2.5. That's the setup nearly every cooler kit comes with, and you won't notice any lag on these motors. Link to comment Share on other sites More sharing options...
FOONIN Donating Members 678 Member For: 15y 9m 25d Gender: Male Location: CHCH NZ Posted 10/11/10 07:49 PM Author Share Posted 10/11/10 07:49 PM that's true I can imagine how tight it is but people e.g work mates keep telling me 3inch is way over kill and will cause alot of turbo lag. Why 3inch over 2.5inch for these cars? I need something to tell them to make'em shut up hehe Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 11m 4d Gender: Male Location: Vic Posted 10/11/10 08:53 PM Share Posted 10/11/10 08:53 PM Need rapid or process west or *Beep* to tell us the actual reasons for it. Just think you'll be losing the 2+ meters of stock 2.5" piping an replacing it with about 1m of 3". Link to comment Share on other sites More sharing options...
FOONIN Donating Members 678 Member For: 15y 9m 25d Gender: Male Location: CHCH NZ Posted 10/11/10 10:03 PM Author Share Posted 10/11/10 10:03 PM sooo therefore saving 1m of pipe in weight?? I thought of it like this....its a street car and I dont drag it on the 1/4 mile so therefore the exhaust isnt running full capacity unless I am hammering which I cant really because its a street car. The exhaust gas cools near the rear anyway so I thought yeah its the perfect size exhaust for me,....unless im pumping like 400 at the rear wheels then yeah 3.5/4inch a must have Link to comment Share on other sites More sharing options...
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