what power increase with cat back...
#1
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what power increase with cat back...
hi, i've an sti3 with a cat back s/s blitz nur spec r 3" exhaust.
i'd like to know what are the gains with such system, bhp and torque, if possible to know?
thanks
i'd like to know what are the gains with such system, bhp and torque, if possible to know?
thanks
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Which cat you going from?
If its the first cat back your looking at around about 15-20 bhp but not sure
what torque you would gain, tbh don't think it will be that much for the torque.
If its the first cat back your looking at around about 15-20 bhp but not sure
what torque you would gain, tbh don't think it will be that much for the torque.
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#5
I recently added a stainless centre section and backbox, leaving the cat in the downpipe and couldn't notice a massive difference, i think it was slightly smoother and was slightly more free reving, i would guess at a few extra BHP the decat downpipe was much better, this has free'd up more horse power, i wouldguess at 15bhp but will have to wait till it goes on the rollers to know for sure!!
Dave
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I recently added a stainless centre section and backbox, leaving the cat in the downpipe and couldn't notice a massive difference, i think it was slightly smoother and was slightly more free reving, i would guess at a few extra BHP the decat downpipe was much better, this has free'd up more horse power, i wouldguess at 15bhp but will have to wait till it goes on the rollers to know for sure!!
Dave
Dave
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I fitted a Ninja Sports Cat, JR Panel filter, Magnex centre decat and oval backbox - 230bhp, increase of 15 on my MY00 UK Turbo.
Remap however liberated an extra 43bhp so a good result eventually, with no pissing about MOT time - passed MOT easily on its own (Ninja Sports cat).
#12
I'll have mine on the rollers soon, it now has decat downpipe, Ninja centre and backbox and a panel filter. I was told by a garage on Monday it was pulling verywell for a 240ps car. if i got an extra 20BHP fomr these mods i would be happy!
Last edited by Claaarkio; 14 February 2007 at 10:20 AM.
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