Cadillac CTS First Generation Forum - 2003 - 2007 Forum for discussions regarding the Sigma-based Cadillac CTS.
 | Cadillac Forums: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Search.. 
04-21-08, 11:20 AM
| | Cadillac Owners Enthusiast Cadillac(s): 05 Cts  | | Join Date: Dec 2006 Location: South Loop Chitown... | |  Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Search..
Did search without success...
What are your experiences of running without Cats or resonators???
My goal is a louder exhaust and gain 5 hp.
Pros and Cons???
Thanx  |
04-21-08, 12:42 PM
|  | Cadillac Owners Connoisseur Cadillac(s): 03 Cadillac CTS | | Join Date: Apr 2008 Location: GTA Canada Age: 25 | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
con...cops will definately be pullin you over lol |
04-21-08, 12:46 PM
| | Cadillac Owners Enthusiast Cadillac(s): 05 Cts | | Join Date: Dec 2006 Location: South Loop Chitown... | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
Quote:
Originally Posted by ghettomike  con...cops will definately be pullin you over lol |
hmm interesting....I am running 2 Borla Xs muffs so it aint loud for chit now.....
Ya think it will be intense running straights from Head to Muff????  |
04-21-08, 12:48 PM
| | Cadillac Owners Fanatic | | | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
no cats? No exhaust?
Not for anything but these v6 are not the greatest sounding engines unmuffled at anything below 6k rpm. 5hp. Only if the computer is not barking due to the 2nd o2 sensor reading being completly off.
pointless and definetly ricer-ish. |
04-21-08, 12:54 PM
| | Cadillac Owners Enthusiast Cadillac(s): 05 Cts | | Join Date: Dec 2006 Location: South Loop Chitown... | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
Quote:
Originally Posted by figgie no cats? No exhaust?
Not for anything but these v6 are not the greatest sounding engines unmuffled at anything below 6k rpm. 5hp. Only if the computer is not barking due to the 2nd o2 sensor reading being completly off.
pointless and definetly ricer-ish. |
removing a cat is ricer-ish..... 
Never said I would be removing s the Muffs....just everything else.... |
04-21-08, 01:04 PM
| | Cadillac Owners Fanatic | | | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
well the cat serves as a resonator.
Makes the lower sounding drone of the v6 go higher in pitch and add that tinny sound to it. Ick! I think I recall a resonator down there.
For power, dump the v6 and shoe horn the v8 in there. Call it a day.
5hp. That is is within any dyno's + - deviation and will definetly not feel it. Perhaps on the "butt dyno" |
04-21-08, 01:13 PM
| | Cadillac Owners Enthusiast Cadillac(s): 05 Cts | | Join Date: Dec 2006 Location: South Loop Chitown... | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
Gonna remove cats/resonator this weekend...will let ya know what happens.......  |
04-21-08, 01:25 PM
|  | Cadillac Owners Fanatic Cadillac(s): CTS | | Join Date: Aug 2007 Location: Battle Creek Michigan Age: 24 | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
Your car is going to sound like a POS, just calling it now before you go ahead and do it. Like everyone else has said, it's completely pointless and will absolutely ruin the 'class' of a Cadillac. |
04-21-08, 01:26 PM
|  | Cadillac Owners Master Cadillac(s): 2004 Customized black on tan 3.6L CTS | | Join Date: Oct 2005 Location: Des Moines, Iowa Age: 27 | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
Dont do it unless you want your engine to blow up. |
04-21-08, 01:36 PM
| | Cadillac Owners Enthusiast Cadillac(s): 05 Cts | | Join Date: Dec 2006 Location: South Loop Chitown... | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
so what ya recommend for a more "Agressive Tone" ? |
04-21-08, 01:42 PM
| | Cadillac Owners Fanatic | | | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
a v8.
<- out of this thread! |
04-21-08, 01:57 PM
| | Cadillac Owners Enthusiast Cadillac(s): 05 Cts | | Join Date: Dec 2006 Location: South Loop Chitown... | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
A 8 banger would be the chit if this wasnt my daily driver or gas was cheaper......
next! |
04-21-08, 01:59 PM
|  | Cadillac Owners Connoisseur | | Join Date: Oct 2005 Location: Illinois Age: 29 | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
Why do you want your CTS so loud? If you want a rumble, that is not the way....get an X-pipe or resonator |
04-21-08, 02:05 PM
|  | Cold Soaked Cadillac(s): 2006 STS AWD, '95 Ford Ranger | | Join Date: Jul 2004 Location: Fairbanks, Ak Age: 70 | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
The federal fine for removing a CAT or fudging the o2 sensors is $2500.
__________________ Don't mess with Binky Bear!  |
04-21-08, 02:18 PM
| | Cadillac Owners Connoisseur Cadillac(s): 03 Cadillac CTS | | Join Date: Apr 2008 Location: GTA Canada Age: 25 | | | Re: Open Exhaust??? Thinking of going No Cats, No Resonator only Muffler.....Did Sear
yer gonna get check engine lights with out the cat and sensor in it..im stickin with everyone else in here...dont do it...if you really want more out of your exhause go to a high end exhause shop and tell them what you want to hear. they will help you out but yer gonna be payin up yer arse....nuff said ...time to do my 1st caddy oil change lol....damn t45 | | Cadillac Discussion Tools | | | 
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