Quote:
Originally Posted by 1ntense_Rocket
any problems with back pressure with your exhaust system? i had a muffler delete on my 1er about 5 months ago, i took it off because i felt that i lossed lots of torque in the lower end, but wasn't too loud because i kept the resonators.
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You can check the before and after dyno sheets to see the difference at WOT. Personally I don't feel any "loss of back pressure". Considering that the exhuast first has to pass through the 2 cats on the headers and through the
stock muffler I doubt there will be any "loss of back pressure". But if you have any concern check the dyno sheets.
Stock vs Intake:
http://www.dynamotorsports.ca/dynogr...iInjenDyno.jpg
Intake and Exhaust:
http://www.dynamotorsports.ca/dynogr...xh128iDyno.jpg