JBA cat4ward shorties - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

nighttowl · 04-01-2012, 11:25 AM

i was looking at the jba cat4ward shorties, and wondering if i need to buy any other items to use them with the stock cats?

does anyone know this?

reason is i live in CA, with BS smog laws, so i need to use the stock cats.
also, my catback fits the stock cats.

VR Baron · 04-01-2012, 11:50 AM

I hear ya. I dont think you do. they just replace the stock manifolds. Check with JBA.
May get more sound and a bit more growl but hp maybe 0-5?All I got on my LS1 and V6

nighttowl · 04-01-2012, 01:52 PM

Quote:

Originally Posted by VR Baron

May get more sound and a bit more growl but hp maybe 0-5?All I got on my LS1 and V6

they have a dyno on thier site that shows 18 over stock.
i just requested the info on thier site. ill post my thier response.

VR Baron · 04-01-2012, 04:43 PM

Quote:

Originally Posted by nighttowl

they have a dyno on thier site that shows 18 over stock.
i just requested the info on thier site. ill post my thier response.

Dont think so but you never know. Maybe if there is a drop in power at a given lower rpm and it fills in the gap showing a big increase. Seen that on axelbacks Longtubes on the v6. Also hypertech tuners.Some mfg's do that to show big gains, but they are not the peak gains

nighttowl · 04-01-2012, 06:32 PM

i actually have one of the hypertech tuners, it made a very noticeable difference in power. i took my camaro to the track when i first got it, and it was actually the fastest camaro ss (out of 5) that was there that night (1/8 mile, irwindale). hp tuners, and flowmaster catback on the way this week.

Padre · 04-01-2012, 06:54 PM

You'll do fine installing them on the stock cats. Just make sure you tighten things up.

Padre

nighttowl · 04-06-2012, 11:16 PM

got one of them on today, drivers side was easy, but the passenger side is tight! header wont go in from the top, im thinking about dropping the mid pipe, and putting the header in place through the bottom.

Padre · 04-07-2012, 08:15 AM

Quote:

Originally Posted by nighttowl

got one of them on today, drivers side was easy, but the passenger side is tight! header wont go in from the top, im thinking about dropping the mid pipe, and putting the header in place through the bottom.

If I recall, that's what I did.

Take you time. I tried to force mine from up top and scratched it a little.

Padre

nighttowl · 04-07-2012, 09:58 AM

Quote:

Originally Posted by Cole260

May get more sound and a bit more growl but hp maybe 0-5?All I got on my LS1 and V6

we'll see. im more interested in runing a 12.99 or faster on street tires. should actually be there.

besides, i live in ca, and i do not want any issues with smog later on down the road... although i seriously would rather go full length headers and high flow cats. swapping out stuff just to smog something sucks and gets old really fast. been there.

besides, padre has them, and he's laying down some serious power.

bilydean · 04-07-2012, 10:35 AM

Yep. Passenger side has to go in from the bottom. Loosen the band clamp for the Cat and move that out of the way and it will slip right up there.

Dean

VR Baron · 04-07-2012, 11:11 AM

Let us know if you and what you notice on the street. On the v6 I did notice what I had hoped for and that was bottom and mid range pickup, top end not noticing 5 hp, but hey maybe you'll get more. Yeah here in Kali we cant do much. Solo hi flows you will notice I hear, at least easier to take off when needed unless they start randomly looking under cars.

04-01-2012, 11:25 AM	#1
nighttowl Sarcasm loading -------- Drives: 2018 ZL1 1LE Join Date: Dec 2011 Location: TX Posts: 1,808 View My Garage	JBA cat4ward shorties i was looking at the jba cat4ward shorties, and wondering if i need to buy any other items to use them with the stock cats? does anyone know this? reason is i live in CA, with BS smog laws, so i need to use the stock cats. also, my catback fits the stock cats.

04-01-2012, 06:54 PM	#6
Padre Only drives on Sundays Drives: '16 2SS A8 NPP MRC NGray Join Date: Feb 2011 Location: Dalton, GA Posts: 2,500 View My Garage	You'll do fine installing them on the stock cats. Just make sure you tighten things up. Padre __________________ OLD HOTNESS: The "Heretic": '11 2SS/RS L99 A6 Black/Inferno. Build Journal, Videos D1SC GT9 JBA-LT = 720/680 \| 10.330 @ 133.61, 1.546 sixty... Camaro King at ECS V, Darlington. NEW HOTNESS: '16 2SS A8 NPP MRC. Bone Stock, 1/8th: 8.051 @ 89.44, 1.919

04-07-2012, 10:35 AM	#10
bilydean Drives: One of the rare ABM camaros Join Date: Apr 2009 Location: Auburn, CA Posts: 455 View My Garage	Yep. Passenger side has to go in from the bottom. Loosen the band clamp for the Cat and move that out of the way and it will slip right up there. Dean __________________ 1100 4/28 2000 5/23 3000 5/27 3400 6/20 TPW of 6/29 3800 7/3 4D00 7/8 interned at QC 4B00 7/16 Released from QC 4200 7/20 8/5 We picked up the car

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04-01-2012, 11:50 AM	#2
VR Baron SoCal Camaro5 Race Team Drives: 2021 Shadow Grey Camaro 2SS 1LE Join Date: Mar 2010 Location: SO CAL Posts: 14,288	I hear ya. I dont think you do. they just replace the stock manifolds. Check with JBA. May get more sound and a bit more growl but hp maybe 0-5?All I got on my LS1 and V6

04-01-2012, 06:32 PM	#5
nighttowl Sarcasm loading -------- Drives: 2018 ZL1 1LE Join Date: Dec 2011 Location: TX Posts: 1,808 View My Garage	i actually have one of the hypertech tuners, it made a very noticeable difference in power. i took my camaro to the track when i first got it, and it was actually the fastest camaro ss (out of 5) that was there that night (1/8 mile, irwindale). hp tuners, and flowmaster catback on the way this week.

04-06-2012, 11:16 PM	#7
nighttowl Sarcasm loading -------- Drives: 2018 ZL1 1LE Join Date: Dec 2011 Location: TX Posts: 1,808 View My Garage	got one of them on today, drivers side was easy, but the passenger side is tight! header wont go in from the top, im thinking about dropping the mid pipe, and putting the header in place through the bottom.

04-07-2012, 11:11 AM	#11
VR Baron SoCal Camaro5 Race Team Drives: 2021 Shadow Grey Camaro 2SS 1LE Join Date: Mar 2010 Location: SO CAL Posts: 14,288	Let us know if you and what you notice on the street. On the v6 I did notice what I had hoped for and that was bottom and mid range pickup, top end not noticing 5 hp, but hey maybe you'll get more. Yeah here in Kali we cant do much. Solo hi flows you will notice I hear, at least easier to take off when needed unless they start randomly looking under cars.