Headers+hi flo cats+oem cat back system? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Outlaw77 · 11-18-2010, 04:02 PM

I've been looking around on the exhaust sticky and I was wondering if anyone is running 1 7/8 headers w/ hi flow cats with the oem cat back system. With or without the stock mufflers . How does it sound and what are your impressions? I don't want to buy an aftermarket cb system if there are no gains in performance. From what I see the stock system is fine for what I need. I would consider different mufflers, I really like the way flowmasters sound with headers.

FEN · 11-18-2010, 04:47 PM

I will be running 1 7/8" headers and Hi-Flo cats with the factory cat back in the near future. Idle and cruise sounds just a little louder but at WOT it sounds great IMHO. I was told by several shops that this would support a Maggie and that swapping it out w/aftermarket cat back would offer little or no HP gain. Search Youtube for "2010 Camaro headers with stock exhaust" and you should find a few vids.

JDP Sales · 11-18-2010, 04:51 PM

We've done similar setups to what you're looking for Outlaw. Give us a call if you have any questions.

Sincerely,

Rick

mikeSS · 11-18-2010, 05:22 PM

Quote:

Originally Posted by FEN

I will be running 1 7/8" headers and Hi-Flo cats with the factory cat back in the near future. Idle and cruise sounds just a little louder but at WOT it sounds great IMHO. I was told by several shops that this would support a Maggie and that swapping it out w/aftermarket cat back would offer little or no HP gain. Search Youtube for "2010 Camaro headers with stock exhaust" and you should find a few vids.

ya it does sound good with stock cat back, its just the car sound great but the muffler look very ugly hanging down like that

Darth_Emma · 11-18-2010, 05:24 PM

Like mikeSS said, I couldn't stand the look of the mufflers (garbage cans) handing down in the back. UGLY! They had to go.

Outlaw77 · 11-18-2010, 05:25 PM

Quote:

Originally Posted by mikeSS

ya it does sound good with stock cat back, its just the car sound great but the muffler look very ugly hanging down like that

Yea, thats the reason why I'm considering different mufflers and just getting an idea of what sounds good. If the stockies weren't so ugly I woudn't care but dam! I hate have too many choices! lol

FEN · 11-18-2010, 05:32 PM

A Few links....
LT's w/factory cat back

LT's w/factory cat back cammed

My factory GFX kit seems to help hide them a bit. The pic below was taken at a very low angle. Standing behind the car they are almost not noticeable.

Outlaw77 · 11-18-2010, 06:40 PM

thanks for the links!

xxlbeerz · 11-18-2010, 07:31 PM

I'd get headers that include an X-pipe.

1Camaro2SS · 11-19-2010, 07:23 AM

I agree that the stock mufflers are nasty looking. As far as horsepower goes, you would gain few ponies with an X-Pipe but not the mufflers. Mufflers are mostly for sound and looks.

Outlaw77 · 11-19-2010, 11:07 AM

Quote:

Originally Posted by john468

Check this guy out $850 for full exhaust
http://www.camaro5.com/forums/showthread.php?t=113481

thanks for the link but I need a header system with hi flow cats included. Great price though.

xxlbeerz · 11-19-2010, 11:23 AM

Quote:

Originally Posted by Outlaw77

thanks for the link but I need a header system with hi flow cats included. Great price though.

Same boat as me. I think they'd sell way better if cats were offered.

ITGuy11 · 11-19-2010, 01:47 PM

Kooks headers w/high-flow cats from marylandspeed.

bigsquirrel · 11-19-2010, 01:49 PM

My brother runs american racing headers and cats on stock catback. Sounds pretty mean.

11-18-2010, 04:02 PM	#1
Outlaw77 Drives: 2018 Charger SRT 392 F8 Green Join Date: Aug 2010 Location: Oakville Ontario, Canada Posts: 1,910	Headers+hi flo cats+oem cat back system? I've been looking around on the exhaust sticky and I was wondering if anyone is running 1 7/8 headers w/ hi flow cats with the oem cat back system. With or without the stock mufflers . How does it sound and what are your impressions? I don't want to buy an aftermarket cb system if there are no gains in performance. From what I see the stock system is fine for what I need. I would consider different mufflers, I really like the way flowmasters sound with headers.

11-18-2010, 04:47 PM	#2
FEN Drives: BLACK 2SS/RS Join Date: Sep 2009 Location: Florida Posts: 1,092	I will be running 1 7/8" headers and Hi-Flo cats with the factory cat back in the near future. Idle and cruise sounds just a little louder but at WOT it sounds great IMHO. I was told by several shops that this would support a Maggie and that swapping it out w/aftermarket cat back would offer little or no HP gain. Search Youtube for "2010 Camaro headers with stock exhaust" and you should find a few vids. __________________ CCW polished 505a's Front 20x10 w/275/40/20's Rear 20x11.5 w/305/35/20's Eibach 1" Pro Spring Kit Factory GFX MPD1 spoiler painted bowties 15% tint

11-19-2010, 07:23 AM	#10
1Camaro2SS Drives: 2010 2SS/RS L99 Join Date: Sep 2010 Location: Grand Rapids, MI Posts: 1,430 View My Garage	I agree that the stock mufflers are nasty looking. As far as horsepower goes, you would gain few ponies with an X-Pipe but not the mufflers. Mufflers are mostly for sound and looks. __________________ 432 RWHP 391 RWTQ 12.37 1/4 mile on stock tires

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11-18-2010, 04:51 PM	#3
JDP Sales Drives: Chevys at the limit Join Date: Nov 2010 Location: SLC, UT Posts: 9,621	We've done similar setups to what you're looking for Outlaw. Give us a call if you have any questions. Sincerely, Rick

11-18-2010, 05:24 PM	#5
Darth_Emma Psssssssssshhhhhhhhhhhhh! Drives: under contruction Join Date: Nov 2009 Location: Marysville, Ohio Posts: 12,996 View My Garage	Like mikeSS said, I couldn't stand the look of the mufflers (garbage cans) handing down in the back. UGLY! They had to go.

11-18-2010, 06:40 PM	#8
Outlaw77 Drives: 2018 Charger SRT 392 F8 Green Join Date: Aug 2010 Location: Oakville Ontario, Canada Posts: 1,910	thanks for the links!

11-18-2010, 07:31 PM	#9
xxlbeerz Drives: 2010 Black on Black Join Date: Oct 2010 Location: Houston, TX Posts: 533	I'd get headers that include an X-pipe.

11-19-2010, 01:47 PM	#13
ITGuy11 Burning up tires Drives: 2023 ZL1 Vert Join Date: Jul 2010 Location: Macomb Twp, MI Posts: 717	Kooks headers w/high-flow cats from marylandspeed.

11-19-2010, 01:49 PM	#14
bigsquirrel My car runs on acorns.... Drives: 2010 SS RS Inferno Orange Join Date: Feb 2010 Location: Albuquerque Posts: 1,351 View My Garage	My brother runs american racing headers and cats on stock catback. Sounds pretty mean.