envyit Member 103 Member For: 16y 9m 10d Posted 04/01/12 11:33 PM Share Posted 04/01/12 11:33 PM hi guys what is your thought on the x-force 2.5" twin catback with the quad tips I currently have standard exhaust and making 310rwkw would I make a little bit more? I've heard mixed opinions thanks in advance Justin Link to comment Share on other sites More sharing options...
Never had any say Panda I <3 Floods Silver Donating Members 11,198 Member For: 13y 3m 15d Gender: Male Location: South West QLD Posted 05/01/12 01:21 AM Share Posted 05/01/12 01:21 AM Depends.. What's your Dump and Cat combo? And other supporting mods?If the exhaust was the reason your tune stopped at 310 then definitely.. But I've probably recommend the 4"..However if the injectors were what stopped it going beyond 310 then that's where you need to look first.. Link to comment Share on other sites More sharing options...
envyit Member 103 Member For: 16y 9m 10d Posted 07/01/12 09:30 AM Author Share Posted 07/01/12 09:30 AM Definitely the exhaust I have 3.5" dump with hi flow cat but I also want the twin for looks as well as performance 1 Link to comment Share on other sites More sharing options...
Dillz Three pedals are better then two.. Donating Members 15,637 Member For: 17y 5m 21d Gender: Male Location: Melbourne Posted 07/01/12 09:52 AM Share Posted 07/01/12 09:52 AM Don't think twins help performance, if anything they are more restrictive. Link to comment Share on other sites More sharing options...
1600dave Donating Members 872 Member For: 13y 10m 6d Posted 07/01/12 10:26 AM Share Posted 07/01/12 10:26 AM Isn't the stock exhaust with a high flow cat good for 350rwkw (although not real efficient)?A single side exit exhaust would be ample and cheaper if you want a catback. Link to comment Share on other sites More sharing options...
Never had any say Panda I <3 Floods Silver Donating Members 11,198 Member For: 13y 3m 15d Gender: Male Location: South West QLD Posted 07/01/12 10:38 AM Share Posted 07/01/12 10:38 AM Search the thread about cross sectional area of the different sizes and make your decision based around what performance you are aiming for.. Twins are really only good for ground clearance though.. If you calculated pipe flow the extra pipe wall would actually be more of a restriction.. Also remember that any exhaust can go to twin tips at the rear muffler. Link to comment Share on other sites More sharing options...
Kosij Donating Members 2,045 Member For: 13y 3m 6d Gender: Male Posted 25/03/12 10:54 PM Share Posted 25/03/12 10:54 PM How many kws is the twin 2.5" good for? Link to comment Share on other sites More sharing options...
unclewal Donating Members 583 Member For: 14y 1m 27d Posted 25/03/12 11:15 PM Share Posted 25/03/12 11:15 PM I have got Twin 2.5 inch, 4 inch dump and high flow 5" cat and I am making 400KW on 18lb on 98, be good for more if I ditched the standard intake. Dont know how much of a restriction it is but its quiet enough not to get me in trouble frquently 1 Link to comment Share on other sites More sharing options...
rbjet Skid Machine Donating Members 1,640 Member For: 13y 5m 23d Gender: Male Posted 25/03/12 11:22 PM Share Posted 25/03/12 11:22 PM sh*t that's good power with that exhaust and intake. is that on an FG though? Link to comment Share on other sites More sharing options...
unclewal Donating Members 583 Member For: 14y 1m 27d Posted 25/03/12 11:37 PM Share Posted 25/03/12 11:37 PM Sure is, I have a bigger GTX3582R turbo though. Link to comment Share on other sites More sharing options...
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