How good is the stock catback? MAC LT w/ o/r x-pipe owners enter!!!

1bad04GT

New Member

Jul 6, 2004

174

0

0

Lubbock, Texas

Jun 30, 2006

#1

• Jun 30, 2006

• #1

I plan on buying MAC LT's (per you guy's suggestion), an o/r x-pipe, and MAC flowpaths. Can I just weld them in to the stock catback? Or is it worth investing in a 2.5" catback? I ultimately want to have about 350 rwhp. Will the stock catback support this much power? Also, does anyone have an exhaust clip of this? I couldnt find one on DonJohn's page. My buddy with an 04 terminator has BBK LT's, BBK o/r x, and MAC 3" catback and it sounds but I dont know how similar mine will sound. Any help is greatly appreciated!

 

95BLKGT5.0

Founding Member

Mar 18, 2002

608

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16

Auburn Washington

Jun 30, 2006

#2

• Jun 30, 2006

• #2

The stock catback will bolt right on. But the stock catbacks are very heavy and have so much restrication I wouldn't want it.

I have Mac LT's, Mac O/R Pro Chamber and MagnaFlow catback and it sounds sweeeeeeet.

 

M

mackey

Active Member

Jan 25, 2003

1,284

1

38

Beverly, Massachusetts

Jun 30, 2006

#3

• Jun 30, 2006

• #3

Your car will sound completely different than his.

 

D

DaveB

Founding Member

Jul 13, 2002

637

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Middlesex and Pomona, NJ

Jun 30, 2006

#4

• Jun 30, 2006

• #4

It should support it just fine. But I hate the puny stock tailpipes. I think the mac's have 3". Not to sound like a ricer but the stockers look like straws. I wish my Dynomax's were bigger than 2.5". But ya the pipes will hold you back probably less than 10rwhp.

 

BlackVert

15 Year Member

Oct 3, 2003

5,589

9

98

Bethesda, MD

Jun 30, 2006

#5

• Jun 30, 2006

• #5

grady (final-5.0) has long tubes and a high flow cat pipe with stock cat-back. iirc, he makes 293 with his combo and his torque curve is nice and flat. he also said he might be able to eek out a few more with a cat-back, but he does not want the dreaded drone....

he also has a stock maf and t/b ....