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Exhaust decisions...
I went with a Gibson cat back in 409 stainless in my 04 6.0 Denali XL and it’s pretty nice. Nice burble, great start-up, little louder at cruise, nice volume increase at WFO. Fitment was tricky, was banging the coil spring at first. Needed some “adjustment”. Nice looking tip. It’s a good...- Angelo Gagliani
- Post #23
- Forum: Performance
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Gibson exhaust update/ review 04 Yukon Denali xl
Well I finally got an exhaust for my 04 Denali xl 6.0! Gibson 615534 from summit racing. 409 stainless cat back dual in with a single side exit. It was tough to get all the clearances right with the axle and coil spring but we got it to work. Cold starts are awesome! Great idle tone, great...- Angelo Gagliani
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- Replies: 6
- Forum: Performance
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2004 xl Denali 6.0 exhaust
I’ll add that I live in the rust belt- Cleveland, so stainless is mandatory. The price is reasonablish, 2 stainless Flowmaster’s are $260 alone. Plus custom install, with aluminized tubing. Also the Gibson is a bolt on so I could do it in the garage. Can anyone talk me out of this Gibson $587...- Angelo Gagliani
- Post #2
- Forum: Performance
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2004 xl Denali 6.0 exhaust
First post, here goes! I just put some money into my 04 Yukon xl Denali 6.0, suspension, tires, and a K&n intake 234,000 miles. Now I’d like to do the exhaust, was trying to make a Flowmaster 50 deltaflow work but couldnt. My truck has a strange muffler setup stock where it’s a dual in with the...- Angelo Gagliani
- Thread
- Replies: 2
- Forum: Performance
