Hi
Im looking in to do some power upgrades for my 3.4 99'
I'm thinking plenum and TB will do the trick but I'm not sure if I want to spend 800$ on ipd
I'm running stock 996 3.4 engine from 99'. 25000 miles
Have aftermarket headers,muffler , intake, desnorkeled.
What else would you guys do to it
Need more umph!!!