Not sure which 2004 GMC Sierra Scoops & Snorkels are right for you? We have over 85 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"went on preety easy . it fills like it has better pick up ; but with out being hooked up to a computer i really dont know the sound is nice when you jump on it . over all you cant beat this price ive looked for a long time thanks. robby" —Robert D from Perris, CA bought a Volant Ram Air Scoop for a 2004 GMC Sierra.