? about exhausts - Toyota Yaris Forums

SLIK4 · 05-19-2007, 01:57 PM

in the future i would like to add a nice exhaust but my father says that adding an exhaust means having to retune the car. is this true. also which exhaust do u recommend. i dont want anything crazy loud just something w/ a nice growl and adds a little performance. thanx for the help!

FlyingDevil · 05-19-2007, 05:12 PM

i think on the old american muscle cars (and new mustangs), u need to get a tune to get the full power from an exhaust and an intake mod... but for the yaris, i dont think u need a tune for just an exhaust... if u want just restart the ecu and let idle for 10min so the ecu can relearn the a/f ratio again (but i dont think it matters for an exhaust, but intake it will)

05-19-2007, 01:57 PM	#1
SLIK4 Michael Drives: 07 Silver Yaris Sedan Join Date: May 2007 Location: Clearwater, Kansas Posts: 281	? about exhausts in the future i would like to add a nice exhaust but my father says that adding an exhaust means having to retune the car. is this true. also which exhaust do u recommend. i dont want anything crazy loud just something w/ a nice growl and adds a little performance. thanx for the help!

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05-19-2007, 05:12 PM	#2
FlyingDevil Drives: 07 Corolla Join Date: May 2007 Location: Maryland Posts: 30	i think on the old american muscle cars (and new mustangs), u need to get a tune to get the full power from an exhaust and an intake mod... but for the yaris, i dont think u need a tune for just an exhaust... if u want just restart the ecu and let idle for 10min so the ecu can relearn the a/f ratio again (but i dont think it matters for an exhaust, but intake it will)