JBA Long Tubes - Pontiac G8 Forum: G8 Forums - G8Board.com
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post #1 of 16 (permalink) Old 11-22-2012, 12:58 PM Thread Starter
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JBA Long Tubes

I thought id start a thread about the JBA long tubes. Another member on here turned me on to a seller on ebay who has a few sets on clearance. The price was too good to pass up so i bought a set. Here is a pic just out of the box. I apologize in advance, it will be weeks until i am able to install the headers, maybe someone else with more time will get there's on before me.



They came with the O2 extender and the flanges that i assume i will need to weld to my factory exhaust. I was under the impression that they "bolted up" to the factory exhaust. Looking at the pieces here, i dont believe that it the case. No worries, i have a welder, i can make it happen. Just a heads up for those looking for headers.

The headers are stainless, uncoated, I have not decided yet if i want to get them coated for underhood temps or just leave them. I can take more pics if anyone wants. Ill probably at least take a shot of the primary tube just after the flange.



2009 GT Prem. Sport. Sun Roof.
Paddle Shifters, BMR Sways, Eibachs, Koni's, Brembos, 3.45s, LS2 cam, 918 springs, 1.85 rockers, Spectre CAI, Rick C Intake/TB/heads , LS7 MAF, Custom Axle Backs, JBA LT's,

Currently Installing RCR 215/223 .609. 615 114+1

Pat G Tuned.

12.23 @ 113.7 mph 1.98 60' 1,000' DA

20X9-35 TSW Nurburings 255/35 Cooper RS3-S
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post #2 of 16 (permalink) Old 11-22-2012, 01:14 PM Thread Starter
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Not a true 1 3/4" hmmmm. Sorry about the upside down pic. I says 1.592"


2009 GT Prem. Sport. Sun Roof.
Paddle Shifters, BMR Sways, Eibachs, Koni's, Brembos, 3.45s, LS2 cam, 918 springs, 1.85 rockers, Spectre CAI, Rick C Intake/TB/heads , LS7 MAF, Custom Axle Backs, JBA LT's,

Currently Installing RCR 215/223 .609. 615 114+1

Pat G Tuned.

12.23 @ 113.7 mph 1.98 60' 1,000' DA

20X9-35 TSW Nurburings 255/35 Cooper RS3-S
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post #3 of 16 (permalink) Old 12-11-2012, 04:35 PM
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1 3/4" headers are 1 3/4" OD measurement. I ordered the same header just now but Jethot coated.

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post #4 of 16 (permalink) Old 12-11-2012, 07:12 PM
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I have them on, they are 1-3/4" I measured them because I had tricked myself into thinking I got 1-7/8"

Are you planning on coating them? If you get any snow and its your DD I would suggest it. 400 series stainless will mostl likely not rust through like aluminized or mild steel, but it will probably get surface oxidization if not treated.

I got mine ceramic coated for $200 I think it is worth it.

Bo - these really made an improvement, I got 20+ whp more @ 1500 rpm vs. without. Sound great at startup, and the interior note even at the loudest is not annoying at all (to me anyhow) - really good set for the price IMO.

'08 GT sport/premium, tints 20/35, 18" TSW nogaros w/ bridgestone blizzak winter, 19" sport oem w/ hankook evo summer, Philips crystalvision bulbs, debadged, Vararam OTR, JBA 1-3/4" LT's, ported TB, MF axlebacks, MF X-pipe, DBA-powerslot brakes, russel SS lines, hawk ceramic pads, GXP shocks/struts, lovells poly strut mounts, Slowhawk Tuned 344/356

Gone -'04 GTO A4 2.5" custom exhaust, sweet thunder muffs, H pipe, Z06 heads, Baer brake it, 20% tints, torrid red, AEM brute force intake, tuned
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post #5 of 16 (permalink) Old 12-11-2012, 07:28 PM Thread Starter
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Thats funny. in my profession we measure all pipe by the id. i guess you learn something new every day.

Boston. Thanks. I was the guy who suggested you get them coated in your thread. I don't get any snow here in the SF Bay Area but I plan on getting them coated anyhow. I just need to find the time


2009 GT Prem. Sport. Sun Roof.
Paddle Shifters, BMR Sways, Eibachs, Koni's, Brembos, 3.45s, LS2 cam, 918 springs, 1.85 rockers, Spectre CAI, Rick C Intake/TB/heads , LS7 MAF, Custom Axle Backs, JBA LT's,

Currently Installing RCR 215/223 .609. 615 114+1

Pat G Tuned.

12.23 @ 113.7 mph 1.98 60' 1,000' DA

20X9-35 TSW Nurburings 255/35 Cooper RS3-S
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post #6 of 16 (permalink) Old 12-11-2012, 07:36 PM
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Quote:
Originally Posted by dblaron View Post
Thats funny. in my profession we measure all pipe by the id. i guess you learn something new every day.

Boston. Thanks. I was the guy who suggested you get them coated in your thread. I don't get any snow here in the SF Bay Area but I plan on getting them coated anyhow. I just need to find the time
I recently found out they actually come from the factory in 4 finishes - nickel chrome plated mild steel 14 gauge, 409 stainless 16 gauge, silver plated ceramic, and titanium cermaic going from least corrosion/heat-resistant to most. I got mine coated by someone separately, but there was a guy who posted on here about buying JBA headers in the past and having them rust - I guarantee he had the mild steel chrome plated ones now knowing this.

good luck w/ them

'08 GT sport/premium, tints 20/35, 18" TSW nogaros w/ bridgestone blizzak winter, 19" sport oem w/ hankook evo summer, Philips crystalvision bulbs, debadged, Vararam OTR, JBA 1-3/4" LT's, ported TB, MF axlebacks, MF X-pipe, DBA-powerslot brakes, russel SS lines, hawk ceramic pads, GXP shocks/struts, lovells poly strut mounts, Slowhawk Tuned 344/356

Gone -'04 GTO A4 2.5" custom exhaust, sweet thunder muffs, H pipe, Z06 heads, Baer brake it, 20% tints, torrid red, AEM brute force intake, tuned
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post #7 of 16 (permalink) Old 12-11-2012, 08:00 PM
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lifted from LS1tech:
Tubing => specified nominal value refers to outside diameter (O.D.)
Pipe => specified nominal value refers to inside diameter (I.D.)

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post #8 of 16 (permalink) Old 12-12-2012, 08:47 AM Thread Starter
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Quote:
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lifted from LS1tech:
Tubing => specified nominal value refers to outside diameter (O.D.)
Pipe => specified nominal value refers to inside diameter (I.D.)
Interesting. I work in refineries with both pipe and tubing. Both of which we measure by the ID. That includes some sweet stainless that we use for process instrumentation. I wish I could take some pictures but that's a no-no out here. Too many secrets.


2009 GT Prem. Sport. Sun Roof.
Paddle Shifters, BMR Sways, Eibachs, Koni's, Brembos, 3.45s, LS2 cam, 918 springs, 1.85 rockers, Spectre CAI, Rick C Intake/TB/heads , LS7 MAF, Custom Axle Backs, JBA LT's,

Currently Installing RCR 215/223 .609. 615 114+1

Pat G Tuned.

12.23 @ 113.7 mph 1.98 60' 1,000' DA

20X9-35 TSW Nurburings 255/35 Cooper RS3-S
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post #9 of 16 (permalink) Old 12-13-2012, 02:41 PM
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I don't think they have a mid pipe for their LT's.

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post #10 of 16 (permalink) Old 12-16-2012, 09:34 AM
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Does anyone have the link to these? I'de like to see if there are any more available.Thanks

Sport package, performance package,
Vararam CAI,Kooks 1 7/8" headers, Magnaflow exhaust, Cat delete,electric dumps, Pat G. tune, 4D's 20" AO6 wheels, custom L.E.D. interior/exterior light package,Polk audio subs with Kicker door speakers,3,000 watt amps. Full HID light set up, 8" SS stripe set,
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post #11 of 16 (permalink) Old 12-16-2012, 08:04 PM
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Just look on Ebay in Car parts under the G8, exhaust, headers section. Last look there were 6 sets left.



2008 PBM G8GT Premium Onyx/Red Leather
Solo Mach Exhaust, Rotofab intake, LS7 MAF, Pacesetter Ceramic Coated LT headers, Pat G tune.
FE3, TEIN Srings, ADR staggered 19's

Last edited by BigbirneysG8; 12-16-2012 at 10:20 PM.
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post #12 of 16 (permalink) Old 12-16-2012, 08:40 PM
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How you gonna pass smog?

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post #13 of 16 (permalink) Old 12-16-2012, 11:19 PM Thread Starter
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In the past I have ran headers that weren't "smog legal" on other cars. What I did is weld cats on after the headers, usually magnaflow, and then take the car to the shadiest looking smog shop in town. In my experience, a lot of these shops are more concerned with getting you in and out and making a quick buck, rather than looking over your car with a magnifying glass. As long as you pass the sniffer. This is obviously just my personal experience. That is my plan with these headers.


2009 GT Prem. Sport. Sun Roof.
Paddle Shifters, BMR Sways, Eibachs, Koni's, Brembos, 3.45s, LS2 cam, 918 springs, 1.85 rockers, Spectre CAI, Rick C Intake/TB/heads , LS7 MAF, Custom Axle Backs, JBA LT's,

Currently Installing RCR 215/223 .609. 615 114+1

Pat G Tuned.

12.23 @ 113.7 mph 1.98 60' 1,000' DA

20X9-35 TSW Nurburings 255/35 Cooper RS3-S
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post #14 of 16 (permalink) Old 12-17-2012, 02:47 AM
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Quote:
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How you gonna pass smog?
****... thats the easy part hahaha

we mustang guys are well versed in getting things "done"
When I do my exhaust its gonna be all gravy.

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95 Cobra coupe Rotrex supercharged

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post #15 of 16 (permalink) Old 12-18-2012, 12:51 PM
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****... thats the easy part hahaha

we mustang guys are well versed in getting things "done"
When I do my exhaust its gonna be all gravy.
Guess shops up here are more "legit" I guess...

Makes me wonder what the HP diff. is between shorty headers and Long Tubes?

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post #16 of 16 (permalink) Old 12-18-2012, 02:16 PM
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Quote:
Originally Posted by SmokeyBear911 View Post
Guess shops up here are more "legit" I guess...

Makes me wonder what the HP diff. is between shorty headers and Long Tubes?
No its just there are fewer shops per square mile, know what I mean.... If you asked enough guys you'd find the one or two who'll do it. But who wants to go thru all that? ya know?

I just happen to know who I can go to because of all my years of playing with mustangs.

edit - power difference... probably about 15-20 at the wheel. Not a big deal IMO. I havent totally decided on LTs on this car yet. I have them on my mustang and I'm not sure I want that issue on this one.

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