07-06-2012, 11:38 PM | #1 |
REAR CATS DELETE- HELP!
I have seen on here where members are deleting the back two or front cats but not all four. Has anyone done this? will it still pass emissions without all 4?
HELP/ADVICE IS NEEDED!!! |
|
07-07-2012, 03:09 AM | #2 |
Drives: 2011 CGM Camaro LS A6 Join Date: Jan 2011
Location: San Antonio, Texas
Posts: 10,305
|
If your in a state with strict emissions tests no it won't pass. It's against federal law to modify your cats.
Now having said that, I'm getting it done probably next week. |
07-07-2012, 03:58 AM | #3 |
Drives: 2011 Chevy Camaro LS Join Date: Feb 2012
Location: United States
Posts: 368
|
federal law? really. theres no emissions in florida tho so im doing it. lol
__________________
2011 Camaro LS: [Rally Yellow] [22" Status Rims] [BBK Long Tube Headers w/ High Flow Cats] [Trifecta Tune] [K&N CAI] [Blacked out Bow Ties and Tail Lights] [15% Tint] [MAC Mufflers] [Rear Cat Delete] [Vmax Black Ice] |
07-07-2012, 07:19 AM | #4 | |
Red Brick of Vengeance!
Drives: 12 Second Brick Join Date: Jun 2009
Location: at my pulpit
Posts: 7,745
|
Quote:
quick search: http://www.google.com/url?sa=t&rct=j...AwJ6Io6aL0pluA
__________________
|
|
07-07-2012, 09:34 AM | #5 |
Well then wouldnt that make high flow cats that come on lt headers illegal too?
|
|
07-07-2012, 09:48 AM | #6 |
Drives: 2010 Camaro LS V6 Join Date: Jul 2010
Location: Tampa, Florida
Posts: 2,784
|
my cats are deleted and im in florida. i did not delete the ones by the O2 sensors so i only deleted 2 of them and i didnt want to take the chance of a CEL. It SOUNDS GREAT too!
__________________
C-LO or Sonic
"Without Struggle there is no progress" I am your best nightmare! |
07-07-2012, 09:58 AM | #7 |
Red Brick of Vengeance!
Drives: 12 Second Brick Join Date: Jun 2009
Location: at my pulpit
Posts: 7,745
|
Yep... pretty much... it's illegal to remove a working cat...even it you replace it with a HFC...
__________________
|
07-07-2012, 10:11 AM | #8 |
man that stinks.... But its good that I know a guy that will pass it. So as for sound... does it make it raspier or does it make it deeper and smoother?
|
|
07-07-2012, 10:17 AM | #9 |
Red Brick of Vengeance!
Drives: 12 Second Brick Join Date: Jun 2009
Location: at my pulpit
Posts: 7,745
|
I found it did add some rasp when you where hard on the gas pedal and you hit about 3000 RPM... but cold start up and idle sounded soooo good it was worth a bit of extra rasp... LOL
__________________
|
07-07-2012, 11:09 AM | #10 |
Haha cool! I don't do a lot of hard driving. I hardly ever get her up past 3000 rpms. I baby her a lot haha. So that being said, do you think that this would be a good mod for me?
|
|
07-07-2012, 11:18 AM | #11 | |
Red Brick of Vengeance!
Drives: 12 Second Brick Join Date: Jun 2009
Location: at my pulpit
Posts: 7,745
|
Quote:
JBA shorties, rear cat delete, resonator delete and MRT Ver 2.0
__________________
|
|
07-07-2012, 11:42 AM | #12 |
Yes sir that sounds good! So believe it or not you are actually who I found my exhaust (mrt 1.0) from. I saw your build in a magazine. I also saw you rims boss 338s, correct? I've thought about gettin 20s in chrome for that retro look. What do you think?
Btw- hope that didn't sound like a creep, I'm actually thankin you. If you wouldn't have all the right ups about your car I wouldn't have my exhaust. |
|
07-07-2012, 11:52 AM | #13 | |
Red Brick of Vengeance!
Drives: 12 Second Brick Join Date: Jun 2009
Location: at my pulpit
Posts: 7,745
|
Quote:
And you don't and you are welcome!
__________________
|
|
07-07-2012, 12:42 PM | #14 |
Drives: LLT Machine Join Date: Nov 2011
Location: VIC/AUS
Posts: 563
|
ughh no chome....but whatever work for ya
Is a little hard to get this DI engine LOUD without some type of negative sound frequency creeping in. From my experience, going catless with 1 3/4 long tube header and solo CBE definitely made my car sound something like a V8 jet engine hybrid LOL. It was too loud for my taste so I had to take it off and sell quickly. When you start going for loud, you are going to also get some drone and rasp. This is when you have to either use helmholtz principal which solo exhaust basically is(almost a no muffler CBE with helmholtz pipes), or use resonated x-pipe. I personally like resonated x, but it will quiet down your overall noise level, but it will definitely remove all drone and rasp. Long tube/no cats/SOLO, can't go wrong if you want LOUD without the other unwanted frequency ------------------------------------------------------- Jay@Mace Engineering USA Direct Email: Velocityport410@gmail.com Home of the 31hp/33tq Ported intake/25mm Insulator! |
|
|
Thread Tools | |
|
|