[prs4eva07]

just bought my xB, and wanting to mod the engine for more horsepower.

what are some basic parts i need to get that will increase my horsepower, but save my mpg?

 

[Big_Kokujin]

I/H/E, lightweight pulley, TBS...

 

[Liesjemt]

Don’t know if you’re manual or automatic, so the answer may be different.

I’m automatic and found I got the most bang for my buck from adding a new catback exhaust (not just a muffler or tip) and a CAI (cold air intake). I’ve also heard that adding a pulley also helps greatly with the RPMs. I intend to get a Perrin brand pulley down the road; wouldn’t recommend any other brand. You can also add a header and upgrade the wiring. I haven’t done either so I can’t tell you if they’re worth it.

 

[Padanky]

I/H/E, lightweight pulley, TBS...

I have all of the above, TBS is waiting for me to put it on.

Perrin pulley, do it first! You feel the most power increase from it.

 

[prs4eva07]

I have all of the above, TBS is waiting for me to put it on.

Perrin pulley, do it first! You feel the most power increase from it.

i have a 2006, but i assume that an Perrin pulley for 03-05 would still work on mine? am i right? or just horribly wrong?

 

[misformartin]

itl work

it will work i have an 06.5 and my pulley works great.... : ) trust me that is
what gives you the most bang for your buck... although after you install
the intake/header/exhaust combo you will deffinetly see the difference...
but only after you install all three...