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3 1/2" cat back

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Old

Mar 4, 2009 | 06:13 PM

#1

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From: Orange, CA

Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

3 1/2" cat back

Just checking to see if there would be any interest if I could fabricate 3 1/2" cat back pipes.

They would be mandrel bends but they would be pieced together and welded.

If so let me know, if there is enough interest I might be able to do it.

Don>>>

Old

Mar 4, 2009 | 08:34 PM

#2

Junior Member

Joined: Oct 2008

Posts: 87

Likes: 0

Car: 84 camaro z28

Engine: 5.7 carbed

Transmission: turbo 350

Re: 3 1/2" cat back

I'd be game. I could use something like this for my 383. Running a single 2.5 in right now. I know its killing the motor.

Old

Mar 4, 2009 | 11:47 PM

#3

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Joined: Jul 2001

Posts: 5,225

Likes: 70

From: Buffalo, NY

Car: 1988 IROC-Z

Engine: 427 SBC

Transmission: ProBuilt 700R4

Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac

Re: 3 1/2" cat back

How about a 3" catback just like the SLP LM1, but with hangers that will work without any modifications?

Old

Mar 5, 2009 | 09:47 AM

#4

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iTrader: (7)

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From: Orange, CA

Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

Re: 3 1/2" cat back

Quote:

Originally Posted by IROCThe5.7L

How about a 3" catback just like the SLP LM1, but with hangers that will work without any modifications?

That would be tough.

Old

Mar 5, 2009 | 05:02 PM

#5

Senior Member

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Joined: Aug 2007

Posts: 1,341

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From: Southern Wisconsin

Car: 1988 Camaro

Engine: 383 Stroker

Transmission: Probuilt 700 R4

Axle/Gears: 3.73

Re: 3 1/2" cat back

I have been waiting for awhile for something like this. I cant afford mufflex's 550 dollar 3.5 catback. I will definately be in. Hope this works out!

Old

Mar 5, 2009 | 05:06 PM

#6

Supreme Member

iTrader: (7)

Joined: Nov 2006

Posts: 3,740

Likes: 15

From: Alamogordo, NM

Car: 88 Formula 350

Engine: 5.7

Transmission: T-56

Axle/Gears: 9" 3.89

Re: 3 1/2" cat back

PM me a price, I may be interested.

Old

Mar 16, 2009 | 10:27 PM

#7

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iTrader: (7)

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From: Orange, CA

Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

Re: 3 1/2" cat back

Back on the shelf, not enough interest.

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Old

Mar 24, 2009 | 03:13 AM

#8

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Posts: 1,320

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From: Verona Va

Car: 86 Trans Am,03 Yukon,92 Z28

Engine: 5.3, 5.3, lb9

Transmission: th350,4l60e,700r4

Axle/Gears: 3.73,3.73,2.73

Re: 3 1/2" cat back

dang i knw id be intrested

Old

Apr 4, 2009 | 09:19 PM

#9

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iTrader: (5)

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From: Evansville,IN,USA

Car: 89' T/A, 00' Firehawk

Engine: 406 Roller

Transmission: TH700R4 w/2800 stall

Axle/Gears: 3.23 Posi

Re: 3 1/2" cat back

Quote:

Originally Posted by Dyno Don

Just checking to see if there would be any interest if I could fabricate 3 1/2" cat back pipes.

They would be mandrel bends but they would be pieced together and welded.

If so let me know, if there is enough interest I might be able to do it.

Don>>>

If it was reasonably priced I would say yes. I have a set of your headers so I know the quality would be great. The pipe itself is expensive. I think if you gave a ball park price that would help.

Old

Apr 4, 2009 | 10:32 PM

#10

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Joined: Dec 2008

Posts: 2,540

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From: Norwalk, CA

Car: 91Z28

Engine: 5.7 ls1

Transmission: 4l60e

Axle/Gears: 3.42

Re: 3 1/2" cat back

Yea we would be interest if they are not that high the price

Old

Sep 10, 2009 | 06:17 PM

#11

Thread Starter

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iTrader: (7)

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From: Orange, CA

Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

Re: 3 1/2" cat back

Here is a pix of what it looks like:

Attached Thumbnails

3 1/2" cat back-dcp_1183.jpg

3 1/2" cat back-dcp_1182.jpg

Old

Sep 18, 2009 | 12:03 PM

#12

Member

Joined: Apr 2001

Posts: 135

Likes: 0

From: Macedoni, Ohio, USA

Car: 1991 trans am

Engine: 383

Transmission: T-56

Axle/Gears: 3.23

Re: 3 1/2" cat back

I would be very interested as long as it is competitively priced to the Muffex system.

Old

Sep 21, 2009 | 11:37 PM

#13

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From: Verona Va

Car: 86 Trans Am,03 Yukon,92 Z28

Engine: 5.3, 5.3, lb9

Transmission: th350,4l60e,700r4

Axle/Gears: 3.73,3.73,2.73

Re: 3 1/2" cat back

i agree! got any prices yet?

Old

Sep 25, 2009 | 12:06 AM

#14

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iTrader: (1)

Joined: Jul 2006

Posts: 1,132

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From: Aloha, Oregon

Car: '91 Camaro Z28, '85 Camaro Z28

Engine: LB9, LB9

Transmission: T5, 700r4

Axle/Gears: Eaton 3.73 Posi, 3.23 Posi

Re: 3 1/2" cat back

Quote:

Originally Posted by IROCThe5.7L

How about a 3" catback just like the SLP LM1, but with hangers that will work without any modifications?

Old

Mar 27, 2013 | 03:53 PM

#15

Supreme Member

iTrader: (27)

Joined: Apr 2004

Posts: 3,001

Likes: 62

From: Salt Lake City, Utah

Car: 1988 camaro "SS"/ 1991 305/T5

Engine: 383 LT1 in progress/LT1TBI 355 soon

Transmission: Probuilt 700R4 3600 stall/ T5

Axle/Gears: Moser axles, 3.42 Eaton Posi

Re: 3 1/2" cat back

Hey Don I'm bringing this one back from the dead due to the fact I'd like this set up! PM me for a price

Old

Mar 28, 2013 | 08:20 PM

#16

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From: Location, Location!

Car: 92 T/A 'vert

Engine: Mild .040 over L98 4 bolt mains

Transmission: Mostly stock 700R4, 2600 Vigilante

Axle/Gears: LS1 3.42

Re: 3 1/2" cat back

Me, too! Along with a matching Y pipe for your headers.

Old

Mar 28, 2013 | 08:57 PM

#17

Thread Starter

Supreme Member

iTrader: (7)

Joined: Mar 2000

Posts: 5,703

Likes: 132

From: Orange, CA

Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

Re: 3 1/2" cat back

Quote:

Originally Posted by watajob

Me, too! Along with a matching Y pipe for your headers.

I will check on pricing and get back here with info.

Old

Mar 31, 2013 | 08:30 PM

#18

Member

iTrader: (3)

Joined: Sep 2010

Posts: 254

Likes: 29

From: Northern NJ

Car: 1990 IROC-Z

Engine: 355/AFR 210

Transmission: POWERGLIDE

Axle/Gears: MOSER 12 BOLT 5.36 1/8 MILE ONLY

Re: 3 1/2" cat back

Im interested...is this for single cat?

Old

Jun 5, 2013 | 07:42 PM

#19

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iTrader: (27)

Joined: Apr 2004

Posts: 3,001

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From: Salt Lake City, Utah

Car: 1988 camaro "SS"/ 1991 305/T5

Engine: 383 LT1 in progress/LT1TBI 355 soon

Transmission: Probuilt 700R4 3600 stall/ T5

Axle/Gears: Moser axles, 3.42 Eaton Posi

Re: 3 1/2" cat back

Bump for a sick set up! Still waiting for a price lol

Old

Jun 8, 2013 | 07:39 PM

#20

Member

Joined: Aug 2009

Posts: 113

Likes: 0

From: Las Vegas, NV

Car: 92' Formula T-Top

Engine: L98 With Custom CAI

Transmission: BUILT 700R4 with B&M Mods

Axle/Gears: 3.23

Re: 3 1/2" cat back

Agreed need price...

Old

Jun 8, 2013 | 10:33 PM

#21

Thread Starter

Supreme Member

iTrader: (7)

Joined: Mar 2000

Posts: 5,703

Likes: 132

From: Orange, CA

Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

Re: 3 1/2" cat back

Quote:

Originally Posted by DANNY25SS

Agreed need price...

Well, it looks like I could build them for $280, but the problem
comes in ...How to ship something like this.

Old

Jun 9, 2013 | 06:38 AM

#22

Supreme Member

iTrader: (27)

Joined: Apr 2004

Posts: 3,001

Likes: 62

From: Salt Lake City, Utah

Car: 1988 camaro "SS"/ 1991 305/T5

Engine: 383 LT1 in progress/LT1TBI 355 soon

Transmission: Probuilt 700R4 3600 stall/ T5

Axle/Gears: Moser axles, 3.42 Eaton Posi

Re: 3 1/2" cat back

You could always just build it in sections, have it all be slip fit maybe.

Old

Jun 17, 2013 | 01:54 PM

#23

Senior Member

Joined: Jun 2001

Posts: 922

Likes: 33

From: Kansas

Car: 91 Z28

Engine: 6.0L LQ9

Transmission: T56

Axle/Gears: Dana 44 3.92

Re: 3 1/2" cat back

i would definitely be interested at that price.

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