Initial Drag Race Run (Stock Exhaust Closed)

4:34

33:13

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At 4:34 in

We Raced Our Sleeper Turbo 03' Yukon XL Against 1320 Kyle's 6.2L Denali! (Then He "Test Drove" It)

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What happens here

Before any modifications, the GMC Yukon XL is taken for an initial drag race run. The driver stages the vehicle, performs a burnout (seen from both inside the vehicle and from an external view), and then completes a pass down the drag strip. This baseline run is conducted with the factory exhaust system fully intact, meaning the exhaust cutout is closed, potentially restricting engine performance. The goal is to establish a performance benchmark for comparison.

Goal: Establish a baseline performance measurement with the factory exhaust configuration.

Tools and materials

Drag Strip I-29 Dragway — Controlled environment for performance testing
GMC Yukon XL GMC — The vehicle being tested and modified

What they say

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great testing tune about to get called to come up soone pull up and do it kind of got a little bit of a dilemma or a sucky part here is Logan can't come to the line with me because she has to watch all of our stuff so she's just going to walk up in the fence and film so we're pulling up now I got it in four high it's really crunchy doesn't really like to turn but you know that's okay it'll be fine uh I'm really not I'm thinking somewhere in the 8sec range I'd like to see an eight cuz it went I think a mid n in yellow belly with the half blown up transmission so we will see good3 and the bird finally going to get there 93 at 77 mph I think we can launch harder that was pretty strong see what we ran here left or right right there you go thank you what' we do 9913 at [Music] 77.77% 4 l60 to the 4 l80 kind of really let this thing lag Racers as you pull up interesting nonetheless exed out there I think this is a great starting

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