JBA CatBack Exhaust Kit 40-3026 - S-10 Forum
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post #1 of 12 Old 12-03-2018, 02:51 PM Thread Starter
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JBA CatBack Exhaust Kit 40-3026

Ive been searching for exhaust upgrades for my 98 Bravada project that is getting a supercharged 4.3, and while i had a system i made that is 3" into a dynomax ultra flow muffler and a dynomax 2.5" mandrel bent tailpipe i was looking for a 3" tail pipe, but wasn't finding much.


Well today i found on eBay a JBA Performance full 3" stainless catback kit for 95-99 Blazer/Jimmy/Bravada 4dr 2 /4WD for 209 shipped on eBay. The seller had 6 kits available and i just order one for mine.



Just thought id share if anyone is looking for a nice bolt on exhaust kit.


http://cgi.ebay.com/ebaymotors/ws/eB...&s=ci&mail=sys


1992 GMC Sonoma GT #0003
LSx swap....soon

2002 Blazer ZR2
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under construction!!

98 Olds Bravada
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post #2 of 12 Old 12-08-2018, 08:39 PM Thread Starter
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Just in case anyone was wondering I got the kit in today and it is in fact a full 3” mandrel bent stainless and the big tip is a nice touch.
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1992 GMC Sonoma GT #0003
LSx swap....soon

2002 Blazer ZR2
370 LSx/D1/T56/AWD
under construction!!

98 Olds Bravada
Lowered on 19's
Built/Blown 4.3 V6
Daily Driver
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post #3 of 12 Old 12-09-2018, 09:22 PM
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Re: JBA CatBack Exhaust Kit 40-3026

Do you think this could easily be modified (cut and welded shorter) for a 2 door?

97 Sonoma 4.3/5spd/G80/ZQ8 Black RCSS fully optioned - not stock at all - 26k miles - LS swap planned
97 Sonoma 4.3/5spd/ZQ8 Light Stellar Blue RCSS - Stock 240k mi DD going strong
98 Sonoma 4.3/5spd/G80/ZQ8 Copper RCSS - salvaged beater
02 Blazer 4.3/Auto/G80/Z87swapped Victory Red 2 dr - mostly stock DD
02 S10 4.3/Auto/G80/ZQ8 Pewter RCFS - garage queen - 20k mi
03 S10 4.3/Auto/G80/ZQ8 Yellow RCFS - fully optioned - salvaged beater w/blown eng
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post #4 of 12 Old 12-09-2018, 09:30 PM Thread Starter
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Quote:
Originally Posted by blakearonson View Post
Do you think this could easily be modified (cut and welded shorter) for a 2 door?
Yes I think so. I’m going to cut off the flange where it attaches to the stock cat pipe.

Also the 2 door tail pipe is slightly shorter than the 4 door but again I think it could be shortened to work.

For 209 shipped its a really nice exhaust kit. I also scored a set of JBA shorty silver ceramic coated stainless headers on eBay brand new in the box for 250 shipped. Decided to go this route over trying to run the long tube headers I have on this truck. I need it to be more bolt on using stock stuff plus Al at Wynjammer said the shorties work better in his experience, so we’ll see.
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1992 GMC Sonoma GT #0003
LSx swap....soon

2002 Blazer ZR2
370 LSx/D1/T56/AWD
under construction!!

98 Olds Bravada
Lowered on 19's
Built/Blown 4.3 V6
Daily Driver
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post #5 of 12 Old 12-10-2018, 12:04 AM
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Re: JBA CatBack Exhaust Kit 40-3026

I'm wondering about the 2 door fitment as well. I've got the bends mapped out in CAD for a 2 door to go 3", but never went through the effort of finding someone to bend it up.

Do you have it on the Bravada yet? Would it be crazy to bring along when you stop by to pick up the parts? I might have to pull the trigger on this even if you can't, but tossing it in place would definitely help me convince myself to spend the money.
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post #6 of 12 Old 12-10-2018, 01:24 AM Thread Starter
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Quote:
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I'm wondering about the 2 door fitment as well. I've got the bends mapped out in CAD for a 2 door to go 3", but never went through the effort of finding someone to bend it up.

Do you have it on the Bravada yet? Would it be crazy to bring along when you stop by to pick up the parts? I might have to pull the trigger on this even if you can't, but tossing it in place would definitely help me convince myself to spend the money.
Nope, I just took it out of the box to check it out. It will be a few weeks atleast before it gets installed. Decided to put my “way to much money” built 4.3 into the truck with the wynjammer and the new cam is still a few weeks out maybe more.

I do need to come get those leaf springs and I could bring the exhaust to test fit. I was thinking of getting one of these kits for my Blazer ZR2 project but not sure it would be large enough for a blown LS setup.

Yeah custom exhaust is tough to find, I’ve contacted a few local places about doing a copy of the stock 4wd y-pipe in 2.5” but no takers.

1992 GMC Sonoma GT #0003
LSx swap....soon

2002 Blazer ZR2
370 LSx/D1/T56/AWD
under construction!!

98 Olds Bravada
Lowered on 19's
Built/Blown 4.3 V6
Daily Driver
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post #7 of 12 Old 12-10-2018, 12:18 PM
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Re: JBA CatBack Exhaust Kit 40-3026

Quote:
Originally Posted by FirstGensForever View Post
I do need to come get those leaf springs and I could bring the exhaust to test fit. I was thinking of getting one of these kits for my Blazer ZR2 project but not sure it would be large enough for a blown LS setup.
Let me know when you want to stop by. I'll make sure Pat is out of the way of the hoist and we can pull the Blazer in for a test fit.
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post #8 of 12 Old 12-10-2018, 06:38 PM
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Re: JBA CatBack Exhaust Kit 40-3026

It looks like part number 40-3025 is the correct one for the 2 doors.

There are 3 auctions up for it, all considerably more than the 4 door version.

two of the auctions have a different stock image, one has a stock image that matches the 4 door image, but I'm guessing they just chose the wrong stock image?

The one pictured in the two matching auctions looks a bit different than the 4 door version, so I'm guessing it may or may not work. I'll hold off buying one until you two report if you think it might work, cause that really is a good price.

supposed 2 door version
https://i.ebayimg.com/thumbs/images/...lLK/s-l225.jpg

and 4 door version
https://i.ebayimg.com/thumbs/images/...zz7/s-l225.jpg

Also wondering if it would work on a regular cab s10.

97 Sonoma 4.3/5spd/G80/ZQ8 Black RCSS fully optioned - not stock at all - 26k miles - LS swap planned
97 Sonoma 4.3/5spd/ZQ8 Light Stellar Blue RCSS - Stock 240k mi DD going strong
98 Sonoma 4.3/5spd/G80/ZQ8 Copper RCSS - salvaged beater
02 Blazer 4.3/Auto/G80/Z87swapped Victory Red 2 dr - mostly stock DD
02 S10 4.3/Auto/G80/ZQ8 Pewter RCFS - garage queen - 20k mi
03 S10 4.3/Auto/G80/ZQ8 Yellow RCFS - fully optioned - salvaged beater w/blown eng
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post #9 of 12 Old 04-20-2019, 04:15 AM
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@FirstGensForever we never took a look at this, but did you ever conpare to your ZR2?

Probably doesn't matter as the 4 door kit is going for $300 now and so is the 2 door.

From emissions testing my Silverado I'm guessing they'll be looking for a tail pipe on the Blazer to probe once I go to change the registration over to Oregon unlike what they say on the website... It's probably time for me to pull the trigger on this, but somewhat wary not having the truck available to test fit.
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post #10 of 12 Old 04-22-2019, 04:22 PM
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Re: JBA CatBack Exhaust Kit 40-3026

Summit racing and speedway have the 40-3025 2 door kit for $291 shipped.


It says it's good for 96-99, any reason it shouldn't work on my 02 if it's just a cat back? I thought the only difference over the years was extra O2 sensors and the pre cat in the y pipe on 98 ups.

97 Sonoma 4.3/5spd/G80/ZQ8 Black RCSS fully optioned - not stock at all - 26k miles - LS swap planned
97 Sonoma 4.3/5spd/ZQ8 Light Stellar Blue RCSS - Stock 240k mi DD going strong
98 Sonoma 4.3/5spd/G80/ZQ8 Copper RCSS - salvaged beater
02 Blazer 4.3/Auto/G80/Z87swapped Victory Red 2 dr - mostly stock DD
02 S10 4.3/Auto/G80/ZQ8 Pewter RCFS - garage queen - 20k mi
03 S10 4.3/Auto/G80/ZQ8 Yellow RCFS - fully optioned - salvaged beater w/blown eng
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post #11 of 12 Old 04-24-2019, 09:42 PM
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Re: JBA CatBack Exhaust Kit 40-3026

Quote:
Originally Posted by blakearonson View Post
Summit racing and speedway have the 40-3025 2 door kit for $291 shipped.


It says it's good for 96-99, any reason it shouldn't work on my 02 if it's just a cat back? I thought the only difference over the years was extra O2 sensors and the pre cat in the y pipe on 98 ups.
Yeah. That's where I was getting the $300 cost from. Mike said he got his 4 door version for $200, but that's not the price I'm finding on eBay any more.

I can't think of any reason it would be different for the 2000+ It's a cat back, so might have been a length/flange change behind the Cat that doesn't bolt up on the later trucks, but I don't care because my setup is completely custom at this point. I'm just using it for the bends/parts to get over the axle easily.
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post #12 of 12 Old 04-24-2019, 09:48 PM Thread Starter
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Quote:
Originally Posted by Harley View Post
Quote:
Originally Posted by blakearonson View Post
Summit racing and speedway have the 40-3025 2 door kit for $291 shipped.


It says it's good for 96-99, any reason it shouldn't work on my 02 if it's just a cat back? I thought the only difference over the years was extra O2 sensors and the pre cat in the y pipe on 98 ups.
Yeah. That's where I was getting the $300 cost from. Mike said he got his 4 door version for $200, but that's not the price I'm finding on eBay any more.

I can't think of any reason it would be different for the 2000+ It's a cat back, so might have been a length/flange change behind the Cat that doesn't bolt up on the later trucks, but I don't care because my setup is completely custom at this point. I'm just using it for the bends/parts to get over the axle easily.
Yeah I got the 4dr kit for 204 shipped I think it was. To good to pass up. The 96-99 exhaust has a 3 bolt flange where it attaches to the y-pipe behind the cat. The 00+ has a 2 bolt flange.

I’m using a modified y-pipe from my 02 on my 98 Bravada so I’ll just cut off the 3 bolt flange and use a band clamp.

The 2 and 4 dr kits have different tail pipes. The 2 dr goes thru the spring and the 4 dr goes around the back and under.

1992 GMC Sonoma GT #0003
LSx swap....soon

2002 Blazer ZR2
370 LSx/D1/T56/AWD
under construction!!

98 Olds Bravada
Lowered on 19's
Built/Blown 4.3 V6
Daily Driver
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