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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-21-2014, 12:38 PM   #76
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I want to run catless long tubes with Borla S type axle back. Anyone know if it'll be throaty or raspy?
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Old 02-21-2014, 01:43 PM   #77
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Just do it this is one of those things that once you do it you'll always be happy with.
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Old 02-21-2014, 01:48 PM   #78
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I want to run catless long tubes with Borla S type axle back. Anyone know if it'll be throaty or raspy?
Ill be running a similar setup in a few weeks, just waiting for a part to come in. Ill have the 1 7/8 TSP with cats and Borla S-Type axle back
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Old 02-21-2014, 02:07 PM   #79
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I want to run catless long tubes with Borla S type axle back. Anyone know if it'll be throaty or raspy?
I am under the impression that catless is more raspy than same set up with cats.
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Old 02-21-2014, 02:11 PM   #80
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Sorry didnt give all the info I will be installing tsp 2" long tubes no cats this weekend and getting tuned during the week
You'll be fine til your ready, when ever that is bud.
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Old 02-21-2014, 02:30 PM   #81
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Can I run no cats for a few days while I can get a tune to turn of the rear o2 sensors?
I know that they are just for the cats and my cel will come on but it wont go into limp mode right?
Just an FYI - the TSP longtubes with the off-road extensions won't even have a bung for your rear O2 sensors. I removed mine and made a plug from the GM OEM connectors and some silicone.
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Old 02-21-2014, 02:32 PM   #82
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Make sure you purchase the 02 Sensors extensions from TSP.
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Old 02-21-2014, 02:59 PM   #83
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To clear up a few things:

TSP Headers do have velocity spikes

TSP 304 headers are not heavy, the 409 version was heavier, but we went to standard tubing for the 304 version to get back to equal weight.
Mine dont either and I got them last month
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Old 02-21-2014, 04:14 PM   #84
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I just looked in shipping & the 1 7/8" has a spike, but the current version of the 2" does not. I can added it if you guys would like in the future, but my testing data was exactly as we've been shipping so I don't know currently how the spike will effect power output. I will get a test set built with spikes to see if it changes anything.

I'll keep ya posted
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Old 02-21-2014, 04:17 PM   #85
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What did the spike add on the 1 7/8 headers?

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Originally Posted by Jason 98 TA View Post
I just looked in shipping & the 1 7/8" has a spike, but the current version of the 2" does not. I can added it if you guys would like in the future, but my testing data was exactly as we've been shipping so I don't know currently how the spike will effect power output. I will get a test set built with spikes to see if it changes anything.

I'll keep ya posted
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Old 02-21-2014, 04:20 PM   #86
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Rich I'll look on my 5th gen data. On the 4th gen headers is made no noticeable change in power, but it looks cool :P

Do you guys want me to see about adding a rear o2 sensor in the cat pipe? The o2 won't stop the ses lights from the cats though. We use high flow cats that still trip the SES light.
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Old 02-21-2014, 04:29 PM   #87
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Originally Posted by Jason 98 TA View Post
I just looked in shipping & the 1 7/8" has a spike, but the current version of the 2" does not. I can added it if you guys would like in the future, but my testing data was exactly as we've been shipping so I don't know currently how the spike will effect power output. I will get a test set built with spikes to see if it changes anything.

I'll keep ya posted
I'm subscribed Jason so will you post those results here or start a new one?

Thanks
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Old 02-21-2014, 04:57 PM   #88
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Ill be running a similar setup in a few weeks, just waiting for a part to come in. Ill have the 1 7/8 TSP with cats and Borla S-Type axle back
I'd love to hear a video of your when its up and running

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I am under the impression that catless is more raspy than same set up with cats.
My 2001 GT I used to own I ran longtubes without cats and a Bassani catback and it was throaty as hell. What makes these cars different?
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Old 02-21-2014, 06:52 PM   #89
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Rich I'll look on my 5th gen data. On the 4th gen headers is made no noticeable change in power, but it looks cool :P

Do you guys want me to see about adding a rear o2 sensor in the cat pipe? The o2 won't stop the ses lights from the cats though. We use high flow cats that still trip the SES light.
Just got done installing my headers/catless mids I bought from you last week. They are bitchin, Huge power increase without a tune. my buddy backed up when I opened up the cutouts lol

FYI, the catless pipe adds some tone, I wouldn't exactly call it raspy but its louder.
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Old 02-21-2014, 09:33 PM   #90
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I'd love to hear a video of your when its up and running
No problem, just added the American Racing X-pipe to my exhaust setup. I have an appointment on the 06/06/2014 to have everything installed and tuned. Will try my best to have a before and after video to show the difference with the exhaust.
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Old 02-24-2014, 04:26 PM   #91
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thanks for the support guys, I'm glad so many of you like the headers. Let me know if you guys want me to change/add anything to them. I'm up for making them how you guys like them. (as long as they make big power) No tri-y
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Old 02-24-2014, 04:33 PM   #92
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Are there dyno charts comparing the 1 7/8 vs the 2" headers on the same car?

I'm curious if any low-end power is lost with the 2" primaries.
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Old 02-24-2014, 04:58 PM   #93
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Are there dyno charts comparing the 1 7/8 vs the 2" headers on the same car?

I'm curious if any low-end power is lost with the 2" primaries.
None. ...Which is why I went 2" right away rather than upgrading later.
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Old 02-24-2014, 05:02 PM   #94
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Are there dyno charts comparing the 1 7/8 vs the 2" headers on the same car?

I'm curious if any low-end power is lost with the 2" primaries.
The 2 inch made more power and torque everywhere in the RPM range than the 1-7/8th and the 1-3/4th. And likewise the 1-7/8th made more power and torque everywhere in the RPM rang than the 1-3/4th. But it is becoming a popular thing to say that the 1-7/8th headers have more down low power and torque even tho data has shown otherwise. The ONLY downside to having the 2 inch headers is that some of them have fitment issues.
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Old 02-24-2014, 06:09 PM   #95
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Are there dyno charts comparing the 1 7/8 vs the 2" headers on the same car?

I'm curious if any low-end power is lost with the 2" primaries.
This only happens in Honduh's and subaloosers!
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Old 02-26-2014, 02:33 AM   #96
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I just installed my tsp 2"headers and I love the power and sound is sweeet but Im one of the unlucky ones the steering driveshaft knuckle is hitting one of the primaries. I tried putting a dimple on it with them installed but I think Im going to take it off and dimple it unless one of you guys can give me another idea i already heated it with the mapp torch and tried a prybar I almost got it but not quite still I think theyre great
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Old 02-26-2014, 07:42 AM   #97
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2" is the way to go in any combo. Bolt Ons on up!! For someone to suggest that they will make you loose lowend power vs a 1 7/8 header is cow manuda! My car has ran them both and I went faster with 2"! And they are the SAME PRICE! You can't beat that.
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Old 03-01-2014, 06:48 PM   #98
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thanks for the support guys, I'm glad so many of you like the headers. Let me know if you guys want me to change/add anything to them. I'm up for making them how you guys like them. (as long as they make big power) No tri-y
Adding a merge spike and rear o2 bung on the 2" can only make them even better - keep us posted.
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Old 03-02-2014, 10:54 AM   #99
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I just bought a set of these Thursday bolted them on Friday and everything went well just made my car louder than I thought but other than that they are good!!!! But one thing I cant seem too understand is the O2 senser deal cause I unplugged the ones that goes to the top of motor which I think is the upsteam then I unplug the ones that was down steam close to trans I was told that I was suppose to get a extended cord to plug in the O2 senser but the ones I got goes to the back ones not the upsteam like I was told so I plugged up the back and didn't use the extended cause the stock stuff was long enuff.....
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Old 03-02-2014, 12:31 PM   #100
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Adding a merge spike and rear o2 bung on the 2" can only make them even better - keep us posted.

That would be great if this could be added. I'll be ready to order then.
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