i have a 1999 gmc sierra all stock pretty much...?

[John]

i was wondering what enhancements i could make cheapest...i would like flowmasters...new speakers...radio..subs...which should i pursue first...and any ideas? im a high school junior just to let you know...

 

[Molson02536]

i was wondering what enhancements i could make cheapest...i would like flowmasters...new speakers...radio..subs...which should i pursue first...and any ideas? im a high school junior just to let you know...

Exhaust first with the Flowmaster. Then work on the stereo once you have collected all the components you need for a killer sound system. Good luck and enjoy your new Sierra.