What was the final cr you ended with on the build? I’m currently building a forged 408 with small dome pistons and shooting for 12.5:1 cr on the build.
@@NorthernPerformanceCars lol my accord will gab that the daily is my s10 i would drive out yo life🤣😂 both of mine probably running 9.50 over 160 mph😂 oh yeah both mine also weighs way lighter then youres too lol the accord weights around 2,800 ibs and the s10 weighs 2,500ibs with me in it the accord got 300 idh hp the s10 has around 600 ish hp😂🤣
@@NorthernPerformanceCars aye are you trynna get gabbed by my accord and s10.....truck sounds like shit the best sounding vehicle period is a straight piped one 😂🤣
It hit that perfect C5 note! Everything flawless! In my forty years on this planet I met just two other mechanics this skilled...in a small shop in Rhode Island. He built a "Vette-Jeep" from 1979. It was funny seeing a 404 police interceptor motor rev that high....with 0 leaks and perfect flow.
What a sound...makes me miss N/A days now that my cateye is turbo. I had full 3in into Spintech 6000 on my N/A LS fox and loved them..this cat eye sounds way better with the equal length
That truck is awesome. I live in Oakland county MI and have been following this build since you mentioned "408" a while back. I'm just about to finish up my 408 on my 2009 Silverado. Cant wait to hear what it sounds like and makes for power.
Ya I saw that. Very impressive how much that motor makes N/A. Thank you for posting all the videos and info on this. I haven't been able to find much on Silverado 408 builds as detailed as yours are.
Thank you for the video and doing the work. I’ve been stating for years that a damn near symmetrical (equal) length parallel pipes through a properly angled x-pipe can turn an LS’s exhaust note into the realms of supercar territory. Especially when using spintechs or going the Dr Gas route with mufflers. One thing that I’ve wanted to do is build this setup on whichever chassis with a cammed LS. Install a module mid pipe for the mufflers and weld up different style muffler to show a sound comparison. Reason; Since you have an exhaust with perfectly smooth (to my years) exhaust pulses, it’s a really good bench mark for how baffled, perforated tube, packed-perforated tube, etc mufflers sound. The chop you get from y-pipes due to timing collision of pulses ruins muffler comparisons. Same with poor quality X pipes that are total cross over. Based on my findings, 14-28degree bend on each pipe in opposition seems to sound/work best with a 35-45% pipe cut in. Anywho, rambling. Again, I very much appreciate this video and work. 👍🤙
@@juicedmedia6623 have they closed down completely i remember visiting the factory in utah when i was in usa over 10 year ago we purchased a container of oval tubing and shipped it back to australia
Well I need to ship my truck to you now so I can get this exact exhaust built. This this sounds way gnarlier than my custom double x pipe corsa sport setup. Killer job man
Spintech owner for almost 15 years. It’s in my 2004 GTO with a LS3 418. Every time I get gas or do some driving I am always complemented. Still brings a smile to my face and I can’t find anything else that I like enough to change it. Love you truck man. Seriously badass
@@trashbandit2449 when I had my ls1 in the red truck. It would go 114 in the 1/4 with the on. Unbolt them and the tailpipes and it would go 115.5. V banded in sections. Open headers Vs having 70lbs of muffler/tailpipe section.
I love Spintech mufflers. Ran one on my F-150 from day one. Nothing high performance, just sounded good. About 300,000 miles out of the first aluminized 6000 series I had before she finally gave up and I had to replace it.
Spintech really does sound great. I left them and went to bullets on a true dual system I built for my 95 Z28, built a new system and put a new set of 3" Super Pro Street mufflers back on the car. The straight through mufflers might be worth a couple of more numbers on the dyno but the sound from Spintech is so unique I just love them!
I’m right there with you! In a single form I’ve had them soak up 35-40whp at 500whp. But with two of them they aren’t quite restrictive. The red truck they only take 15rwhp for the pair Vs taking them off.
@@NorthernPerformanceCars I know what you mean man. It might be interesting to see how much if any you'd gain by putting Dynomax Bullets or Magnapacks in place. 15rwhp is a bigger chunk than a lot of people think but for the unique sound on a street car /truck or S/S vehicle I'll still take the sound of Spintech unless I'm trying to get every bit that I can from a small engine like my 95 5.0 Cobra. I have a Magnapack cat back on that car but the way it sounds was also a part of the decision. I went from a Pypes M80 kit to the Magnaflow and love the Magnaflow. The resonator tips on the M80 kit make tyne idle sound "stuffy" the pop from the cam is really reduced and just sounds like a bit of rough thumping. I like a sharp exhaust note from the cam. Sorry, I went down a rabbit trail here. I love custom exhaust, i'd really like to start my own business doing specialty stuff for people like you've done with your truck. Of course a lot of people aren't willing to pay a premium price for an exhaust system as nice as what you've done here. They don't understand the man hours and labor it takes to do this kinda work. Great job brotha.
@@viciousrap700 absolutely. I’m with you there. I get a little extra and would definitely talk exhaust all day. I had a couple kooks bullet mufflers on here previously. Didn’t lose any power and actually made more torque by a marginal amount vs open headers. The dual 3” spintechs on this truck through tailpipes only lost 15rwhp out of the 601rwhp it previously made. But yes. My co worker Andrew has his black Silverado and it previously had a 4.8 with a single spintech 6,000 and did fairly well. We didn’t do any back to back Dyno stuff. Then we built a 11:1 383 for it with cnc heads and it under performed. So I popped the muffler off and it picked up neatly 40whp. So I ended up doing 2 pass through mufflers with an x pipe and at the same as mine. It made the same peak hp.
@@NorthernPerformanceCars sounds like you did a great job surf the 4.8 as well. I've never seen the testing but I've always heard the things you're saying about a single exhaust being said. That seems to be the nature of the chambered muffler design. I know that my car has the Super Pro Street mufflers and the Spintech X pipe coming off of a set of Kooks long tubes and I don't think at my power level the mufflers are taxing the engine enough to lose much power. My car is a 450rwhp car, maybe 460 with some really great tuning on E85...far cry from the 600+ that you're making but if I hit it with a 200 shot on the chassis dyno with and without mufflers I think that's where I'd see it. I could really easily make it so that I can put my bullets back on for track days but idk that I care about a few hundreths enough to do it. Honestly having a 6 speed car the ET could just as easily be my driving as much as a lack of power because I don't live on a race track and I definitely don't have myself glued in the car to be in tune with it enough to be really consistent. Yeah man, i'd love to talk anytime. Hit me back and we can exchange email here and then cell numbers through email. I'd never throw my cell number out right here, I don't think I'd get an overwhelming response from really hot girls as much as prank messages lol!
@@NorthernPerformanceCars Same here I fell hard for my 07 classic, it’s a 4wd I’ve been building with a pro touring style to it. Glad to see you’re still full weight and haven’t ruined one of the last few gems around
@@300blkaac I’m in the middle of this third gen drag car build. Once that is completed and I meet goals. I planned to get rid of that and do something different. Unsure yet.
Damn I want my 2001 ext cab to be built similiar to the way this truck is. Yea I know my ext cab is heavy but its got plenty of room and its fun putn the gap on somebody who didnt expect it with a stock 5.3 and some bolt ons. Your truck is badazz man and sounds insane. It sounds like a built Z06 with high dollar exhaust
The best exhaust I ever heard was the 5th time I did my old 08 jeep srt ot had Billy Boat headers 3” all the way from headers back 3” X pipe but when I the mufflers was at the end of the truck with the tips welded on the muffler the only thing you could see is the tip but I’ve had many cars many trucks If the muffler is in front of the axle it’ll most always sound like a truck if the muffler is behind the axle it’ll sound way better more Vett like 👍🏽 have blessed day your awesome buddy
That's because of the affect mufflers have on an exhaust. The closer the muffler is to the header, the quieter and more toned it will be. Without a tailpipe after the muffler, it will be much louder and sound more wild
Loved the sound of spintech on my charger i just couldn’t help but feel like it was hurting power even more so than a flowmaster couldn’t see thru those mufflers at all. i switched to magnaflow at the time and it felt like i gained 30 hp but it didn’t sound near as good. running black widows now. they sound great but the best sound i ever had were spintech 9000s hands down.
@@littledeel how when you can’t see through them and the exhaust suppose to pass through tiny little holes in those spin traps? i guess i never dynoed but i could feel it
What was it that you think made your exhaust sound the way it does, the equal length headers, or equal length exhaust? Truck sounds amazing and is exactly what ive been looking for
The engine has a lot to do with it. A High compression ls2 6.0 vs a LQ9 6.0 with 317 heads, will sound different. The mufflers helps, but the higher compression engine will give this sound.
Makes a difference when you engineer an exhaust system instead of slapping random mufflers on there. Buddy got his 6.0 cammed and had a true dual system installed with bullets. Sounded like a machine gun. Was like dude that ain’t right.
This truck sounds amazing, if one was going to do a similar setup on 17 but with a crew cab how much would the longer pipe change the tone or is equal length the key?
I feel bad for you my friend. I lived in a depressing frozen tundra for most of my life, and it is something I moved away from in 09’. Absolute best thing I ever did in my life. There is just something special about winter weather, WHEN ITS NEVER COLD. To each his own. That truck is amazing brother ! Sounds killer !!!
Sounds very nice indeed! Looks like it's fun to drive. I've been a Spintech fan since the foxbody days. They recently made me a custom pair of 9000's (slightly wider body to match the factory muff offset) for my Challenger, which I enjoy now. I ponder what your setup would sound and perform like with a pair of properly done 4-2-1 style headers... Not sure if you're familiar with Calvin Elston, he's very knowledgeable about ideal 4-2-1 design. Good posts from him on speed-talk forum (and other forums) over the years. If you're interested and have time, the discussions on design theory and r&d on 4-2-1 vs 4 into 1 and then more specifically on 4-2-1's optimal tube dia's and step lengths per the exhaust port size, HP and max RPM's are interesting and insightful imo.
This is a general idea of what 4-2-1 sounds like on a LS3 C6. I personally think the quality of the tone, in this example, would be improved with some slight muffling or at least anti-reversion chambers. Would love to hear it with a pair of 9000 or 6000's ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-yKvi0-UiZ6Y.html
Holy crap, that truck sounds insane! You're a genius! It's nice to see a content creator who's cares about the sound as much as I do. A friend of mine down here in Grand Rapids has a C5 with Kooks headers and X-pipe, he only revs it to 6600 but it sounds like it's revving way higher, one the best sounding LS engines I've ever heard. I wish I could make my F-body sound like that. I'm hoping over the next year or two I can put together an LS3 with a Cam Motion LLSR setup, TFS 255 heads and a Fast 102 with their mid length runners, rev it to the upper 7000s maybe 8000 rpm, and put it in a C5 with some Kooks headers and X-pipe with a set of 4.10 gears. If I can get this done I think it's going to be one of the most insane sounding cars ever. Hope my budget allows this to happen!
You can do it man! The truck has f body headers on it specifically. It’s super awesome! Focus on equal length and it’ll do it! This truck is a hydraulic roller with oem rocker arms. I spin it 7,850.
@@NorthernPerformanceCars Wow that's a lot of RPM for a hydraulic setup, and part of the reason it sounds so damn good! What lifters are you running? What about valves? Hollow stem stainless or Titanium? I've been learning a lot on LS1Tech but most people are afraid to rev to 7000+ so there isn't a ton out there about higher revving engines.
@@trashbandit2449 the equal length really makes a difference at high rpm and the X pipe under the tailshaft of the trans is as close as you an get it to the manifolds or headers is where you notice the gains, the other X, I wasn't going to use mufflers so instead of just welding more pipe to connect all of that mandrel bent exhaust I had an inline X (the front one is a 90°X) so I threw it on and it made the best high rpm sounds
@@dannyflood3291 yes the first x is very important and it's placement. The second x I can't understand the purpose but it is very cool it makes a difference in exhaust note. I'll have to remember that
Mine sounded like a corvette. My 07 nbs 5.3 with the lh6. I did log cabin shorty headers with hi-flo cats. True flow xpipe with dual in and out cherry bomb muffler that I reversed the position of it and then I dumped the 2 pipes in same spot. It was duals with an xpipe and dual in/out muffler. All 2.5 inch. Tigged. With 2 7x4 inch tips. Tuned out afm and put on density tune with no egr. I bought the stainless pipes and cut and bent them myself to what I needed. Will be doing my lml duramax here soon.
Wow I didnt think it would sound like a vette but when you hit the gas amazing bro.I was in the market for a vette but now i might redo my chevy truck exhausts lmao. Nice work thanks for video
Hey brother sorry for the late reply just caught your video what a awesome build one of the baddest a** Silverado's out there thank you for this video plan on building 1 like yours awesome
I prefer sleepers. I have a 3/4 T 1975 truck with a 350 and 4 speed top load. I have dual 2 1/2 inch pipes with turbo mufflers. No crossover pipe yet. They give a good deep muffled rumble. When I get into the throttle, the engine is what that distinct growl. A lot of kids got embarrassed with their 4 and 6 cylinder cars, and some with V-8's. I calculate I have 350 to 375 HP. It was my every day driver so I didn't want to go too radical. It sure is nice to to have pulling the 9 ton 24 foot deck utility trailer with a load in the hills of Western Pa. The Spintech 6000 mufflers sound good!
Just saw your video you posted of it on the RCSB page from doing burnouts on a cruise, SOUNDS AWESOME! It screams, one day I’ll copy this exact exhaust setup
@@NorthernPerformanceCars do you think the spintechs are too loud for a daily driver? Currently have a Borla XS and a Vibrant resonator before it. No drone and quiet when cruising but I might want something a little louder when I get on it
@@405ruben not at all. I am very pleased with them. No drone anywhere in the truck with the tailpipes the way they are etc. it’s loud. But it’s quieter doing down the road than most. Quieter than a straight piped stock 5.3 by a long ways. Even when I get pulled over for doing dumb stuff the cops never mention the exhaust being too loud and always compliment the sound.
Holy SH*T, Brother! That is the best sound Ive ever heard! Vette or no Vette. I definitely think that youve accomplished your goal. And yes, it is pretty! Thank you for sharing that.
I’ve been looking for something like this! And this is exactly how I thought about doing it! Just dump after the axle because I don’t want to see the tip
