High flow cats or no high flow cats

player4lifeov

New Member

Mar 22, 2006

39

0

0

California

Dec 8, 2006

#1

• Dec 8, 2006

• #1

I currently have BBK off road x pipe, and i was wondering if i was to put some high flow cats on it, will there be a difference in performance?

 

DisposableHero

Member

Oct 4, 2004

71

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6

Dec 8, 2006

#2

• Dec 8, 2006

• #2

you wont notice much.. the torque might actually go up slightly, but the sound volume will decrease

 

DaNd4Speed

Founding Member

Jun 12, 2002

180

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Patterson, NY

Dec 8, 2006

#3

• Dec 8, 2006

• #3

you drive in CA without cats? very brave!

 

03ghoststang

Well-Known Member

Jul 16, 2005

1,930

1

57

Los Angeles, California

Dec 8, 2006

#4

• Dec 8, 2006

• #4

DaNd4Speed said:

you drive in CA without cats? very brave!

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you'll be surprised how many people actually drive here W/O cats but to us that already live here its no biggie just because they have strict laws on emissions dosent mean that taht we cant run O/R pipes

 

Twista

Active Member

May 7, 2004

510

2

29

@ the z00 in chicago

Dec 8, 2006

#5

• Dec 8, 2006

• #5

volume will decrease a ton.

 

CobraRed_96_GT

Active Member

May 20, 2006

1,421

4

39

UCSD/La Jolla

Dec 9, 2006

#6

• Dec 9, 2006

• #6

I run high flows cuz it's cali. But they mostly bother ricers around here. Iv thought about buying a used O/R H for when i lower my car giving me another .75" clearence. If u live around San Diego forget about it, toughest modded car laws in the country due to street racing

 

mineralgray2002

New Member

Dec 4, 2005

33

2

0

Centralia, Illinois

Dec 9, 2006

#7

• Dec 9, 2006

• #7

That must suck having laws like that. Here in southern illinois i run straights but with cats and never heard a word from the cops besides them saying it sounds good, they could care less if u have cats or not. they only bother you if you are being an idiot and revving on people or racing ricers. ive never seen anyone get a loud exhaust ticket with a v8 or even a harley(mainly becaues they all ride harleys)

 

player4lifeov

New Member

Mar 22, 2006

39

0

0

California

Jan 5, 2007

#8

• Jan 5, 2007

• #8

Car feels like it doesn't pull as hard as before!!!!!!!!!

 

Gearbanger 101

Straight Outta Locash

20+ Year Stangneter

Aug 10, 2002

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Ontario, Canada

Jan 5, 2007

#9

• Jan 5, 2007

• #9

player4lifeov said:

Car feels like it doesn't pull as hard as before!!!!!!!!!

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What kind of cats did you put on it?

 

player4lifeov

New Member

Mar 22, 2006

39

0

0

California

Jan 5, 2007

#10

• Jan 5, 2007

• #10

Maganaflow.................it feels slow honestly

 

B

bdcardinal

tree hugger

Jun 10, 2003

3,612

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69

santa barbara, CA

Jan 5, 2007

#11

• Jan 5, 2007

• #11

i run an offroad X pipe. anything but stock is illegal, so you just have to keep the stock pipe around for your smog check every 2 years.

 

Gearbanger 101

Straight Outta Locash

20+ Year Stangneter

Aug 10, 2002

9,457

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Ontario, Canada

Jan 5, 2007

#12

• Jan 5, 2007

• #12

player4lifeov said:

Maganaflow.................it feels slow honestly

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I think it's all in your head. The difference between a catted and non-catted mid-pipe is all of about 3hp. And as previously stated, you should have picked up a little bit of off idle torque in the process. Are you sure they were welded in properly and you haven't got an exhaust leak? That'll kill power in a hurry.

 

Crzyhrse

Active Member

Dec 23, 2004

0

2

38

Seattle, WA

Jan 5, 2007

#13

• Jan 5, 2007

• #13

bdcardinal said:

i run an offroad X pipe. anything but stock is illegal, so you just have to keep the stock pipe around for your smog check every 2 years.

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Is Cali a stickler on decibel levels of your exhaust??? Were suppose to get emission laws similar to Cali in 2009. I've got a Magnapack catback and a Bassani catted X and the decibel check is the only thing that worries me. My stock exhaust stuff is long gone.

 

B

bdcardinal

tree hugger

Jun 10, 2003

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santa barbara, CA

Jan 6, 2007

#14

• Jan 6, 2007

• #14

the decibel level is not a part of the smog test. it is only a police matter. you can go have it tested at a smog referee station if you get a police citation to get it written off. the car must be under 96.5Db

 

Matt's 03 GT

Member

Aug 28, 2006

0

0

17

Orange County

Jan 6, 2007

#15

• Jan 6, 2007

• #15

Do you know if side exhaust is a problem with smog? I am going to add an offroad H or prochamber soon and I want to know what to expect.

Thanks,

 

urban96

bubb rubb says:"woo woooooo"

Founding Member

Sep 24, 2002

3,464

1

69

Syracuse, NY

Jan 6, 2007

#16

• Jan 6, 2007

• #16

i swapped from an O/R BBK X pipe to a catted BBK H and at first it was quieter (but much less raspy) but after driving it all summer most the noise has come back. even my buddy noticed it. i gave him a ride in it when i first switched pipes and one not too long ago and he asked if i did anything to the exh because it sounded a lot louder/deeper now

 

B

bdcardinal

tree hugger

Jun 10, 2003

3,612

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69

santa barbara, CA

Jan 6, 2007

#17

• Jan 6, 2007

• #17

Matt's 03 GT said:

Do you know if side exhaust is a problem with smog? I am going to add an offroad H or prochamber soon and I want to know what to expect.

Thanks,

Click to expand...

as long as you switch back to the stock unmodified H pipe you are good.

 

CobraRed_96_GT

Active Member

May 20, 2006

1,421

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39

UCSD/La Jolla

Jan 7, 2007

#18

• Jan 7, 2007

• #18

Matt's 03 GT said:

Do you know if side exhaust is a problem with smog? I am going to add an offroad H or prochamber soon and I want to know what to expect.

Thanks,

Click to expand...

I run sidepipes in Cali and i dont even change them out when i smog and i don't even have a mufflers, just a small barrel resonators. I just replace the stock H-pipe w/ 6 cats (lol) and i pass - sounds like **** tho.