2" or 1 7/8" headers - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

MeritedSuperior · 03-12-2015, 07:31 PM

Im sure its been asked a thousand times but Im still learning how to work this forum. I have a stock 2014 Camaro SS. Im looking to get some headers from Texas speed and performance but they are currently out of stock in the 1 7/8". They have 2" headers available but even though bigger is usually better, I don't want to make a lot of modifications if the 2" don't fit. So do they both meet up the same?

Homeless Man · 03-12-2015, 07:44 PM

No get the 1 7/8 unless u plan on adding boost. It's also easier to install if ur doing it ur self. I was gonna get TSP headers but they are out of stock of 1 7/8 so I got Stainless Power headers with highflow cats for $700 shipped brand new. Currently waiting for them in mail

LTRS777 · 03-12-2015, 08:03 PM

Get 2"... Multiple shops show the most gains without loss down low and it can only help in the future with mods.

ChrisBlair · 03-12-2015, 08:18 PM

The diameter can influence where you're making power and torque. Personally I'd argue that these heavy cars needs help down low. You also need to consider length of the tubes. Any exhaust-scavenging pressure wave has to travel that distance....but with a street exhaust no header's really fully tuned. That said it's also probably not that big a deal to go bigger with these engines.

What's the diameter of the exhaust valve and the size of the exhaust port on your engine? I'm told these are the considerations for maximum primary diameter.

LTRS777 · 03-12-2015, 08:22 PM

http://www.camaro5.com/forums/showthread.php?t=63640

Just some food for thought.. Same brand... All 3 sizes... 2" made more average and peak power

Also if youre buying tsps they are in a redesign to fit the 14s and 15s. Supposed to be available march 20th.

MeritedSuperior · 03-12-2015, 08:44 PM

Quote:

Originally Posted by LTRS777

http://www.camaro5.com/forums/showthread.php?t=63640

Just some food for thought.. Same brand... All 3 sizes... 2" made more average and peak power

Also if youre buying tsps they are in a redesign to fit the 14s and 15s. Supposed to be available march 20th.

Oh wow so they don't even have them yet for the 2014+ models? when it said 2010+ I assumed it meant 2010-present. Thanks for the help guys. The more help the better

Iron Lung Jimmy · 03-12-2015, 08:45 PM

Here you go.

http://www.camaro5.com/forums/showthread.php?t=397184

MeritedSuperior · 03-12-2015, 09:00 PM

I think the diameter is 3" for the exhaust valves but I have no idea what the measurement of the exhaust port on my engine is...that's why I was asking if the 2" headers would even fit, in the hopes that someone knew from experience.

LTRS777 · 03-12-2015, 09:04 PM

Quote:

Originally Posted by MeritedSuperior

Oh wow so they don't even have them yet for the 2014+ models? when it said 2010+ I assumed it meant 2010-present. Thanks for the help guys. The more help the better

Yes they have them, but they redesigned some things so it fits better. If youve waited this long, wait a couple weeks more imo

i have a baseline dyno and will do an after dyno once installed If you wanna wait as well

Ryanbabz71 · 03-12-2015, 09:25 PM

Quote:

Originally Posted by Homeless Man

No get the 1 7/8 unless u plan on adding boost. It's also easier to install if ur doing it ur self. I was gonna get TSP headers but they are out of stock of 1 7/8 so I got Stainless Power headers with highflow cats for $700 shipped brand new. Currently waiting for them in mail

Same here

Ryan

MeritedSuperior · 03-13-2015, 03:17 AM

I can definitely wait. How did you find out about the new headers? Ever since I moved to Alaska ive been out of the loop on everything

USAFS197 · 03-13-2015, 04:20 AM

I wish I knew they were working on a redesign for the 14+ cars. Maybe I wouldn't have had my clearance issues. Personally, if I were to do it all over again, I'd get 2" (again). As was posted earlier, the gains are pretty consistent over smaller headers so, other than potential clearance problems, it's almost a no-brainer.

revived · 03-13-2015, 04:25 AM

get stepped headers best there is for our purposes.

1 7/8 vs 2 is redundant in your every day Camaro, you wont notice the difference.

Woopedoo if they make 5-10 HP at certain RPM. You wont even notice that when your actually driving or racing it. I'll take easy fitment over that anyday of the week.
1 7/8 ftw or if you want get stepped headers.

Rocky1974 · 03-13-2015, 09:11 AM

Quote:

Originally Posted by MeritedSuperior

I think the diameter is 3" for the exhaust valves but I have no idea what the measurement of the exhaust port on my engine is...that's why I was asking if the 2" headers would even fit, in the hopes that someone knew from experience.

Really? If you think your exhaust valve diameter is 3", how big do you think your intake valves are?

03-12-2015, 07:31 PM	#1
MeritedSuperior Drives: 2014 SS camaro Join Date: Aug 2014 Location: Anchorage Posts: 8 View My Garage	2" or 1 7/8" headers Im sure its been asked a thousand times but Im still learning how to work this forum. I have a stock 2014 Camaro SS. Im looking to get some headers from Texas speed and performance but they are currently out of stock in the 1 7/8". They have 2" headers available but even though bigger is usually better, I don't want to make a lot of modifications if the 2" don't fit. So do they both meet up the same?

03-12-2015, 07:44 PM	#2
Homeless Man Homeless Life Chose Me Drives: LS3 (sold 4/21) Join Date: Nov 2014 Location: Streets of Philly Posts: 3,650	No get the 1 7/8 unless u plan on adding boost. It's also easier to install if ur doing it ur self. I was gonna get TSP headers but they are out of stock of 1 7/8 so I got Stainless Power headers with highflow cats for $700 shipped brand new. Currently waiting for them in mail __________________ Pity a man in familiar places, who yet feels like a stranger.

03-12-2015, 08:03 PM	#3
LTRS777 Drives: 2014 Saleen 620 White Label #14-011 Join Date: Dec 2014 Location: AL Posts: 610	Get 2"... Multiple shops show the most gains without loss down low and it can only help in the future with mods. __________________ '14 Saleen 620 White Label #14-011 ADM LSA Stage 1 Kit, ADM 2.75 Pulley, DEKA 63lb injectors, ZL1 Fuel Pump, JLT 123MM Big Mouth intake, TSP 2" LTHs, BW TB, 2.5" Catback, Scott Culbert/GEN3PERF tuned! 573WHP/557WTQ @ 10psi. Build Thread Here: http://www.camaro5.com/forums/showthread.php?t=390708

03-12-2015, 08:18 PM	#4
ChrisBlair Buick 455 Fan Drives: 1970 Buick, 2012 1SS LS3 Join Date: Jun 2010 Location: Boston MA Posts: 5,957	The diameter can influence where you're making power and torque. Personally I'd argue that these heavy cars needs help down low. You also need to consider length of the tubes. Any exhaust-scavenging pressure wave has to travel that distance....but with a street exhaust no header's really fully tuned. That said it's also probably not that big a deal to go bigger with these engines. What's the diameter of the exhaust valve and the size of the exhaust port on your engine? I'm told these are the considerations for maximum primary diameter. __________________

03-12-2015, 08:22 PM	#5
LTRS777 Drives: 2014 Saleen 620 White Label #14-011 Join Date: Dec 2014 Location: AL Posts: 610	http://www.camaro5.com/forums/showthread.php?t=63640 Just some food for thought.. Same brand... All 3 sizes... 2" made more average and peak power Also if youre buying tsps they are in a redesign to fit the 14s and 15s. Supposed to be available march 20th. __________________ '14 Saleen 620 White Label #14-011 ADM LSA Stage 1 Kit, ADM 2.75 Pulley, DEKA 63lb injectors, ZL1 Fuel Pump, JLT 123MM Big Mouth intake, TSP 2" LTHs, BW TB, 2.5" Catback, Scott Culbert/GEN3PERF tuned! 573WHP/557WTQ @ 10psi. Build Thread Here: http://www.camaro5.com/forums/showthread.php?t=390708

03-12-2015, 08:45 PM	#7
Iron Lung Jimmy Drives: Iron Lung, Jimmy Join Date: Jun 2009 Location: Louisiana Posts: 1,449	Here you go. http://www.camaro5.com/forums/showthread.php?t=397184

03-12-2015, 09:00 PM	#8
MeritedSuperior Drives: 2014 SS camaro Join Date: Aug 2014 Location: Anchorage Posts: 8 View My Garage	I think the diameter is 3" for the exhaust valves but I have no idea what the measurement of the exhaust port on my engine is...that's why I was asking if the 2" headers would even fit, in the hopes that someone knew from experience.

03-13-2015, 03:17 AM	#11
MeritedSuperior Drives: 2014 SS camaro Join Date: Aug 2014 Location: Anchorage Posts: 8 View My Garage	I can definitely wait. How did you find out about the new headers? Ever since I moved to Alaska ive been out of the loop on everything

03-13-2015, 04:20 AM	#12
USAFS197 Drives: 2018 Audi TT RS Join Date: Jan 2014 Location: Navarre, Florida Posts: 1,915	I wish I knew they were working on a redesign for the 14+ cars. Maybe I wouldn't have had my clearance issues. Personally, if I were to do it all over again, I'd get 2" (again). As was posted earlier, the gains are pretty consistent over smaller headers so, other than potential clearance problems, it's almost a no-brainer. __________________ 2018 Audi TT ▊RS 2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold

03-13-2015, 04:25 AM	#13
revived Vrrrm. Drives: 2011 2SS/RS LS3 Join Date: Jun 2013 Location: MA Posts: 1,495	get stepped headers best there is for our purposes. 1 7/8 vs 2 is redundant in your every day Camaro, you wont notice the difference. Woopedoo if they make 5-10 HP at certain RPM. You wont even notice that when your actually driving or racing it. I'll take easy fitment over that anyday of the week. 1 7/8 ftw or if you want get stepped headers. __________________