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Performance of twin 2.5” system vs single 4”?


karlp2

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  • 1 year later...
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  • Member For: 6y 1m 24d
On 16/04/2019 at 12:02 PM, karlp2 said:

Hi, have G6ET with 355rwkw, currently have a full xforce system with the twin 2.5” pipes.  Other mods include a Walbro 400, PW stage 1 intercooler, 1000cc injectors,  GTX3582 gen 2 with flapper mod and porting etc.  Had hoped for more kw from the recent tune, a couple people have suggested that single exhaust 4” system would help, thoughts?  Reluctant to change the exhaust unless it’ll make a difference, wasn’t cheap to buy being a full stainless one.  Thanks

Hi, I have a similar setup to you and only got 350kw as well. Did you change anything to get more power?

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  • Member For: 10y 7m 12d
  • Gender: Male
  • Location: Auckland, New Zealand

There was a intake piping.  Zane of Maxx Performance picked it up when retuning it for me.  He didn’t do the original tune.

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