bmking16 Posted April 1, 2015 Share Posted April 1, 2015 For the Superliner guys out there, would any of you know what size stacks the truck would have come from the factory with? Quote Link to comment Share on other sites More sharing options...
jackb61sx Posted April 1, 2015 Share Posted April 1, 2015 I believe it would depend on the motor in the truck, mine are 5" from the turbo and mine is a 425hp Cat. Quote Link to comment Share on other sites More sharing options...
bbigrig Posted April 1, 2015 Share Posted April 1, 2015 4inch for E6 start to finish. 5"E9, CAT, Cummins in RW6-700's. Not sure about V8 Detroit in RWS models. Quote Link to comment Share on other sites More sharing options...
bmking16 Posted April 1, 2015 Author Share Posted April 1, 2015 Mine's a 350 E6. They put a oversized exhaust on it before i got it and to be honest its not the neatest job they did. Quote Link to comment Share on other sites More sharing options...
bbigrig Posted April 1, 2015 Share Posted April 1, 2015 I've run 4" to the muffler and 5" out of the muffler. I never liked having all the newer trucks in the fleeting having an exhaust pipe bigger then the true workhorse in the stable. Maybe it's a ding-a-ling size thingy too. Lol. 1 Quote Link to comment Share on other sites More sharing options...
bmking16 Posted April 1, 2015 Author Share Posted April 1, 2015 Lol. Thanks so much for the answers, I apprecaite it. Yeah the stack on there they put was a 7 inch and it just doesn't look right and needless to say its hacked up (pipe clamps missing, etc.) You guys know how it is LOL Quote Link to comment Share on other sites More sharing options...
fullfuel01 Posted April 1, 2015 Share Posted April 1, 2015 My 1991 RW713 with E7 was on 5'' from factory. 2 Quote Link to comment Share on other sites More sharing options...
jackb61sx Posted April 1, 2015 Share Posted April 1, 2015 I took mine from 6" straights back to factory original 5" with muffler, it looks much better with mufflers and quieter. 2 Quote Link to comment Share on other sites More sharing options...
bmking16 Posted April 1, 2015 Author Share Posted April 1, 2015 I took mine from 6" straights back to factory original 5" with muffler, it looks much better with mufflers and quieter.I want to do the same thing on mine also and get it back to how it originally looked. Mine looks similar to yours was with the straight pipe now Quote Link to comment Share on other sites More sharing options...
Lmackattack Posted April 2, 2015 Share Posted April 2, 2015 Love the look of mufflers on superliners......Until I'm trying to back into a dark tight spot in traffic....then you can't see crap in the mirror or if you have your head out the window....LOL 1 Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted April 2, 2015 Share Posted April 2, 2015 Im pretty sure all super liners in Australia came as standard with one 5inch pipe but like most things I might be wrong might have been 5 1/2 inchPaul Quote Link to comment Share on other sites More sharing options...
J Peeler Posted April 3, 2015 Share Posted April 3, 2015 Mack dealer hurt my feeling when I called and priced the y pipe the other day for mine Quote Link to comment Share on other sites More sharing options...
Lmackattack Posted April 3, 2015 Share Posted April 3, 2015 Mack dealer hurt my feeling when I called and priced the y pipe the other day for minelet me guess $500+? thats what it was last i checked? Quote Link to comment Share on other sites More sharing options...
r686st Posted April 3, 2015 Share Posted April 3, 2015 Mine is a 1992 RW613 with a E7-350 and has 5" form the turbo back to the tip. Quote Link to comment Share on other sites More sharing options...
J Peeler Posted April 3, 2015 Share Posted April 3, 2015 Almost $700 for regular pipe $1300 for chrome I used a y pipe for a kenworth w 900 for $180 1 Quote Link to comment Share on other sites More sharing options...
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