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Header/Exhaust Questions and Advice


diggerdan11

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I found this x-pipe for real cheap on ebay free shipping. $40 and its stainless steel. What do you all think?

Yonaka 2.5" Stainless Steel Crossover X Pipe 12" Length Corvette Trans Am

 

http://www.ebay.com/...005d206&vxp=mtr

Edited by 2003_SuperSport (see edit history)
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run the dual in dual out 2.5"/2.5" magnaflow muffler with the X inside... its a great sounding muffler and flows great. stay FAR AWAY from flowmaster (we call them Flowdisasters here :lol: ). its ironic because they suck, they create back pressure as they are chambered like OEM mufflers...

 

as for the size piping and collectors... yes when you make a flange to bolt to the headers, just reduce down to 2.5". i wouldnt recomend using stock cats, they dont flow so well. id use magnaflow round metallic spun high flow cats, they arent too expensive either. we use them on things up to 750 RWHP and work just fine. have shown only an average loss of 3-4 whp on the dyno with over 12 psi boost.

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