boost_lover Member 14 Member For: 16y 3m 22d Gender: Male Posted 06/01/09 06:04 AM Share Posted 06/01/09 06:04 AM hi, im turbo charging my ba na motor, and was wondering, how the stock dump pipe stacks up to an aftermarket one. Would an aftermarket one be ok, or an aftermarket dump will reap big rewards? Link to comment Share on other sites More sharing options...
XR06T Silver Donating Members 4,146 Member For: 19y 6m 15d Gender: Male Posted 06/01/09 06:56 AM Share Posted 06/01/09 06:56 AM people have made big power with the stocker, but aftermarket dumps definatly do give you an improvement. I think csv_ls1 ran 10.8 on the stock dump. Link to comment Share on other sites More sharing options...
Guest Guests Posted 06/01/09 06:59 AM Share Posted 06/01/09 06:59 AM Pretty sure he had aftermarket dump, cat, exhaust etc You might as well go aftermarket seeing as you'll have to buy a stocker anyways. Bigger dump helps to spool quicker & reduces back pressure on valve springs which would be of benifit to your NA head I'd amagine Link to comment Share on other sites More sharing options...
boost_lover Member 14 Member For: 16y 3m 22d Gender: Male Posted 06/01/09 08:12 AM Author Share Posted 06/01/09 08:12 AM Pretty sure he had aftermarket dump, cat, exhaust etc You might as well go aftermarket seeing as you'll have to buy a stocker anyways. Bigger dump helps to spool quicker & reduces back pressure on valve springs which would be of benifit to your NA head I'd amagine well the stock na valve springs will suffer the same fate as stock turbo valve springs. I have been offered stronger valve springs. Link to comment Share on other sites More sharing options...
mic Donating Members 1,725 Member For: 16y 11m 19d Gender: Male Posted 06/01/09 08:52 AM Share Posted 06/01/09 08:52 AM (edited) doesnt FSIX run 9 with a stocker ?edit, my bad. Edited 06/01/09 08:59 AM by mic Link to comment Share on other sites More sharing options...
boost_lover Member 14 Member For: 16y 3m 22d Gender: Male Posted 06/01/09 11:47 AM Author Share Posted 06/01/09 11:47 AM (edited) in saying that, does anyone know where to get a cheap exhaust from dump back? Im in the liverpool area. Edited 06/01/09 11:48 AM by boost_lover Link to comment Share on other sites More sharing options...
kevo Member 286 Member For: 17y 20d Gender: Male Location: Wanneroo, Perth WA Posted 06/01/09 10:09 PM Share Posted 06/01/09 10:09 PM I have a 3" dump pipe on mine, its the APS 3" but its pretty much identical to the stocker though if that helps, bigger dump pipe means bigger numbers up the top of the rev range in more extreme power ranges Link to comment Share on other sites More sharing options...
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