Honda Car Forum

iep_events · #1 (**permalink**) 25 Oct 2007, 04:15 pm

1.my car is automatic2. its a sedani want to upgrade my headers and put a highflow cat on it i allready have partial 2.5 inch pipping with a magnaflow muffler with out the resinator so please help thank you3. would a underdrive pulley hurt my car4.can i allso change my oil to synthetic without a problem and how to 5. any little upgrade i can do other than these thanks

derekbinaz · #2 (**permalink**) 25 Oct 2007, 04:18 pm

You can do all of this.Underdrive pulley may give you a little more power, but if you are running any sort of high power audio system, it won't be good for that.You can change to syn oil no prob. Next oil change just put synth in. Or get an oil flush then put the synth in.What do you want to achieve?

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