slowspeed Posted October 13, 2005 Share Posted October 13, 2005 Hey guys what size are you using for the down pipe? Stock turbos set up. Quote Link to comment Share on other sites More sharing options...
Guest nitr0 Posted October 16, 2005 Share Posted October 16, 2005 I may be a newb, but even i know you gotta post more info than that, and claim you have done a search first. Check Skylines Australia forum for specifics about RB Motors, and ALOT of information about tuning them up. Also you might want to specify which motor your talking about RB20DET RB25DET RB26DETT RB30ET probably all have different sized down pipes as they all are different sizes with different turbo's. Someone Correct me if i'm wrong... Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted October 16, 2005 Share Posted October 16, 2005 I'll start! Dual 2-1/2" DP's into a single 4". All stainless steel. RB26DETT Quote Link to comment Share on other sites More sharing options...
Guest nitr0 Posted October 16, 2005 Share Posted October 16, 2005 2-1/4 inch at turbo into 3inch all stainless, stock turbo, stock boost and its waaaaaay to big for 6-7psi. RB25DET Jamie T your lucky your teeth have been shaken out yet with that 4 inch - got a sound file? We had an R32 GTR with a 3 1/2 inch and that was awsome. Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted October 16, 2005 Share Posted October 16, 2005 Heres mine before the JetHot coating.... duel 3" into single 4" CLICK ME Quote Link to comment Share on other sites More sharing options...
stony Posted October 16, 2005 Share Posted October 16, 2005 Used to have 2 60mm merged into one 90mm pipe that went out thru one pre and one regular muffler. It sounded great.. wasnt too loud and did its job. The best thing you can do for the stock rb26 is let it breath. Open face turbos, freeflowing exhaust, SDS EMS, and stock everything else stock netted 350RWHP on mine!!!! Quote Link to comment Share on other sites More sharing options...
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