Posted by: rootineGXP
aftermarket - 03/23/09 10:03 PM
What kinds of add-ons have people done? I have the 5.3 V8 GXP.
Posted by: palsut
Re: aftermarket - 03/24/09 12:44 AM
Welcome to site. What kind are you interesting to add some? Some of them have aftermarket appearance look. I'm not sure about GXP engine part.
Posted by: rootineGXP
Re: aftermarket - 04/02/09 12:29 AM
I was thinking of exhaust as a starter. I listened ot some idles on You Tube with Magnaflows I think it was. They sounded a little harsh on higher rpm.