Your Cart Is Empty

2003 GMC Sierra Gas Saving Products

Have a Question?
Have a Question? Ask a product expert! (800) 874-8888 Live Chat
2 3 >

  • shipping icon
  • Not Rated Yet


View all reviews for this product

There are no customer reviews for this product

You may only compare up to 5 products at a time.
Please select at least two products to start comparing.
2 3 >

Latest Customer Reviews

TruXedo TruXport Roll-Up Tonneau Cover Reviews

Fourth TruXedo in five years!

Reviewed By Marc A P (Malone, NY) Reviewed for a 2003 GMC Sierra —2/18/2015 2:45 AM

I own a fleet of GMC 2500HD snow plow trucks and have added the TruXedo Roll-Up Tonneau Cover to all four trucks. I am very happy with the ease of installation, as well as the look and the fact the covers keep 100% of the snow and ice out of the truck box. Excellent cover. I highly recommend this product.

View More Reviews

K&N 77 Series Metal Intake Kit Reviews

New Life

Reviewed By Chad H (Timnath, CO) Reviewed for a 2003 GMC Sierra —4/7/2014 5:17 AM

I should have installed this product a long time ago. Trucks sounds better, runs better and has made a improvement in fuel mileage. The most noticible is the sound of the turbo, in the past a new stock filter would allow turbo sound to be heard for about a day then it was gone. You feel more connected to your truck when you can hear what it is doing. At the same time it's not so loud that it becomes annoying or obnoxious to neighbors.

View More Reviews

Flowmaster Exhaust Systems Reviews

Flowmaster: the awesome exhaust experience

Reviewed By william m (new castle, DE) Reviewed for a 2003 GMC Sierra —9/24/2013 8:38 AM

Delivers the sound I wanted; not obnoxious, a sweet rumble at idle and a very mellow reminder at cruising speeds. I would heartily recommend this cat-back system. It bolted up just as described and offers a great looking finish with the chrome tips. Be advised you probably will need to purchase exhaust hangars because the ones you have will be difficult to re-use and/or are aged.

View More Reviews

Helpful 2003 GMC Sierra Gas Saving Products Articles