exhaust
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Exhaust pipe replacement
I have a 93K 1500 with the 350 V8 a standard cab long bed and I have axle airbags that have been added. I noticed today that my rear two exhaust mount have broken free and there is a large hole behind the muffler along with a crack right at the back of the muffler the rest of the exhaust system... -
R
Has anyone ran a Glasspack with Vibrant Resonators Ultra Quiet?
My current set up is Vibrant Resonator Ultra Quiet, X-Pipe, Borla Pro XS with all factory piping. I wanted something on the quieter side because I often go on road trips and listen to music. My goal was to bring out the V8 sound, but have minor to no drone. I think this setup accomplished that... -
C
‘93 Suburban 350TBI - Header Fitment & Custom Exhaust
Howdy, I’m Echo, my Truck is Carmine. I’m doing a complete exhaust rework with custom piping and replacing the stock manifolds with headers. All of the headers actually listed as fitting the Suburbans are shorties, but I wanna do long tube headers, these ones specifically...- Carmine Echo
- Thread
- 1993 350 tbi c1500 exhaust long tube headers suburban
- Replies: 1
- Forum: Exhaust
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Complete Exhaust Job - Tune for headers?
I have a 1993 Chevy Suburban, I’m doing the entire exhaust, gotta pull the old manifolds off and I’m considering going to headers. I plan to do 3 inch pipe all the way back. I’m Cat-less and am gonna put a Flowmaster Super 40 on. My question is.. if I spring for the headers, will I need to get a...- Carmine Echo
- Thread
- exhaust headers suburban
- Replies: 6
- Forum: Exhaust
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J
P0134 and P0154
My 99 k2500 was throwing these codes earlier. They used to show me two sets of the same code for each side. And I realized the front two O2 sensors were not plugged in. So I only plugged in the driver side front one, P0134. When I tested again, it only shows one P0134 now. Of course I still have...- joog
- Thread
- catalytic converter exhaust o2 sensor
- Replies: 14
- Forum: Engine Performance + Maintenance
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Headers and Glasspacks
I'm sure that this is all on here somewhere, but I'm new to forums and haven't been able to find anything about doing glasspacks mounted to headers. I have a 1989 k1500 that I just bought about a month ago and I think I want to install long tube headers that go straight into two Cherry bomb... -
K
Super high CO% for smog
Hello everyone, i recently bought a 1988 k1500 with a 5.7, i replaced the head gaskets, re machined the heads, and did some minor maintenance/tune up afterwards, i took it to smog after it was running, failed it because of 3 things, timing is already taken care of but the more than double HC...- k15001988
- Thread
- ca smog exhaust running rich
- Replies: 2
- Forum: Engine Performance + Maintenance
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Life After Pancake - Another Exhaust Build Thread
Hello, After reading about the "pancake" converter in other threads, and scrolling to the end of Jegs/Summit/LMC, etc. I arrive here with some questions. Background: 1988 C1500 Silverado 305 RWD. Stock everything. Cat-back pipes showing some rust, esp rear of muffler. No holes yet (I think)... -
Exhaust flange nuts
Hi everyone. I'm new here. The past few weeks I've been slowly breaking down the engine on my 97 Chevy C1500 5.7 Vortec to investigate a random misfire and smoke coming outta the exhaust. Come to find out a pushrod was missing on cylinder 4 under the valve cover, that I eventually found under...- 97c1500r
- Thread
- 1997 c1500 chevy exhaust exhaust flange manifold vortec
- Replies: 21
- Forum: Engine Performance + Maintenance
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S
Fuel Economy Tanked in Suburban
Hello Everyone, I have a 1997 Suburban 350, 3:73 and 4x4. I've always consistently been getting 17-18 mpg on the highway but recently its tanked and max I can get is 13. Its not the worst but there definitely is something funky happening. Everything seems to work fine (although the power on the...- SlippinJimmy4L60e
- Thread
- 1500 bad mpg catalytic converter exhaust fuel efficiency obs sluggish suburban
- Replies: 13
- Forum: Engine Performance + Maintenance
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Manifold Woes
Hey all, this is my first post so forgive me if I forget something. So I’ve been dealing with some exhaust issues on my 92 c1500 with the 5.0, so previously the RH side exhaust manifold had been leaking because of a crack that I had yet to find (under the heat shield). I was able to get a “new”... -
W
Exhaust System
I have a 92 K2500 with a 5.0. My Y pipe is cracked, the flange from my manifold to Y pipe is leaking badly, and everything behind the cat is rusted out or just missing. I am trying to figure out a good budget bolt on solution. I am only using the truck for driving in poor weather and hauling... -
H or Y Pipe on 350 Small Block
Gonna put a set of shorty headers on my 350, should I put an h pipe or y pipe in?- 14BoltCorporates
- Thread
- 350 exhaust headers small block
- Replies: 12
- Forum: Exhaust
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Don't Miss Out: 10% Off All Gibson Products Until October 1st
At CARiD, we're passionate about helping you unlock your truck's full potential. That's why we offer a range of exhaust systems from Gibson that enhance performance and add style. Gibson exhausts are engineered to boost horsepower and torque, giving your truck the muscle it needs for any task... -
J
Best deep muffler for 5.7
Looking for mufflers on a 5.7 that are deep and have little to no (preferably no) drone. I saw Thrush Welded chambered, Flowmaster 40 (but I hear they have a droning problem). Is there a good option fitting my list? -
G
94 gmc 454 manifold replacement
after lurking on here some 3-4 years I finally need to ask. My manifolds are leaky at the y pipe. Makes sense since there held on my 3 c clamps. So here’s my question. I have 2-3 broken manifold bolts going into the head. Every single one broken at the y pipe. I have new manifolds already that...- Genvmaniac
- Thread
- exhaust
- Replies: 4
- Forum: Exhaust
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Q
Exhaust Flange Springs?
I have an odd question. I just bought this truck, 1997 C3500. It's got the 5.7 350. Stock manifolds. Both exhaust donuts are shot so I pulled them out and ordered new ones. However, I'm not sure if they're supposed to have springs or not? How do I know? No springs came off but they might...- quantumshop39
- Thread
- exhaust headers manifold springs
- Replies: 4
- Forum: Engine Performance + Maintenance
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O2 sensor placement
this is a message to all the smart dudes out there, especially when it comes to exhaust. i have a 95 c1500 TBI, I installed a 96-00 crate engine so I have vortec heads. I got true dual exhaust installed but the vendor didn't install a bung plug for the sensor. Now considering I got true duals... -
1997 K1500 5.7 suburban exhaust compatibility
Hi everyone, I have a 1997 Suburban which has a vortec 5.7 and a style of exhaust which has two pipes that are separate leading into the muffler. It looks like the picture below What I'm wondering is if a slightly newer exhaust system from a 99' would be intercompatible AND allow for me to... -
T
Magnaflow cats vs jegs y pipe
Working on a 99 2 door tahoe.Just looking for exp with either. Was planning on a gibson cat back. Or even maybe putting the stock catback back on if I went with the jegs ypipe. Don't want obnoxiously loud. Have jba shorties. Thanks- Tahoez71
- Thread
- exhaust
- Replies: 25
- Forum: Engine Performance + Maintenance
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Shorty headers for 95 350 with an nv4500
Just bought my 1st truck this weekend it’s a 95 k2500looking for a cheap set of good shorty headers, it’s a tbi 350 with an nv4500, im not sure if a mid length header would fit in these trucks or not, but eventually I’d like to build it into a 355- Warrick454
- Thread
- 350 exhaust headers small block
- Replies: 0
- Forum: Exhaust
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Best 5.7 Vortec Long Tubes
I’m sure this has been discussed before, but I see a lot of back and forth of arguing with header recommendations on the threads, LOL. Looking to purchase a set of long tube headers for my 5.7 vortec. I will be doing an EGR delete to broaden my choices for long tubes. Obviously I can’t narrow...- 2doortahoetoby
- Thread
- exhaust headers long tube headers long tubes vortec
- Replies: 6
- Forum: Exhaust
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My tailpipe is the size of a cocktail straw
Ok not exactly, but it's definitely smaller than stock. I'm the third owner of an 88 Chevy G20 van with a basically stock 350 (iron manifolds, factory y-pipe, cat, etc) At some point the previous owner had the exhaust from the cat back replaced by someone who cobbled together such a goofed up... -
B
Help with carb vs efi vs TBI
hello, I’m new to the group but I read a lot on here, I’m trying to make my 94 Sierra k3500 more fuel efficient (I’m a comedian I know) it currently has a 454 TBI in it and is you’re typical dog. I know these aren’t race trucks but I want it to be able to hold its own. I also need to to...- Blue94sierra
- Thread
- exhaust fuel economy
- Replies: 17
- Forum: Engine Performance + Maintenance
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Need a cheap exhaust system for my 88 k1500 5.7 and need help making sure I buy the right stuff
88 k1500 5.7 with so many holes in my exhaust system from the y pipe down stream that I’m thinking of putting a new system on it. My truck isn’t nice but the 350 can still sound decent without a bunch of leaks. So I’m looking for a cheapo system for a not great truck just to make it sound a...
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