| Posted: Nov 05 2006 at 7:46am | IP Logged
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i have the volant intake.  i love it.  i have yet to modify the exhaust.  someone told me that if i dont have both, my truck really isnt getting the full efficiency it can reach.  so, i am considering the flowmaster 40 series b/c everybody talks about it on this website.  i dont really want to get dual pipes and lose low end torque. i also dont want a loud cab drone when cruising down the highway.   so will my efficiency increase with just a catback?   
any info would be appreciated, especially from you miserytom.  thanks. 
  __________________ mfield
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