[SledHead99]

Im putting psi twin pipes on my 96 xcr 440. What size jets should I use. it has stock 260 main jets in it now. Will they work? I need any info, Thanks

 

[xcr440]

have you contacted PSI??? I would go up at least 4 sizes and do some plug checks.

 

[ultrawillie]

PSI contact # 801-393-1010 tech support, or www.psipowerinc.com

 

[SledHead99]

PSI contact # 801-393-1010 tech support, or www.psipowerinc.com

Thanks for the number. I tried callen but no answer.Probly not open yet. Thanks
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