which mac catback

xSxTxAxNxGx · October 3rd, 2007, 08:28 PM

Which mac catback should i get for my stock 2001 v6...i want it deep tone and loud enough to let ppl know im present but quiet during crusiing and loud under hard acceleration...help please...and can i just have a shop cut out two of my cats and weld a pipe to where they used to be so i only would have two cats? and how much sound would that add?

Onemanzu · October 3rd, 2007, 08:55 PM

uh mac only makes one cat back... with the options of colour/material.. thats it... you wanna get a GT cat back and make it work...

xSxTxAxNxGx · October 3rd, 2007, 08:56 PM

but will it be insanly loud? i only want it really loud under hard acceleration
i have to keep 2 cats on b/c of emissions and im getting a custom h pipe...i was just wondering if it would just be better to romove two of the cats and keep a single inlet for the exhaust and a dual out the rerar

AtlanticBlue99 · October 3rd, 2007, 09:02 PM

Originally Posted by xSxTxAxNxGx

but will it be insanly loud? i only want it really loud under hard acceleration
i have to keep 2 cats on b/c of emissions and im getting a custom h pipe...i was just wondering if it would just be better to romove two of the cats and keep a single inlet for the exhaust and a dual out the rerar

dual is always better than single! get the gt cat back and a catted midpipe

xSxTxAxNxGx · October 3rd, 2007, 09:14 PM

which catback a gt or v6 and should i keep the mufflers that come with the exhaust? and how much do u think all of this will cost?

bone_crusher · October 3rd, 2007, 09:15 PM

just replace all four of your cats with hi-flows. you will throw a trouble code if you take out two of the cats

Onemanzu · October 3rd, 2007, 09:19 PM

who knows... if your not happy with what you got... take it off sell it on ebay as never used... or used once... and bite the bullet...

... look im kinda getting tired of these threads.... use the search tool... use youtube, google, and photobucket and find a sound you like... then replicate it... there is no way to really tell what something will sound like... also search through peoples garages and what not and PM them... half of the users of this forum checks there PMs...

AtlanticBlue99 · October 3rd, 2007, 09:30 PM

Originally Posted by bone_crusher

just replace all four of your cats with hi-flows. you will throw a trouble code if you take out two of the cats

no you wont. i removed my rear two cats before getting long tubes and modifying my mid pipe and didnt throw any codes

tjames · October 4th, 2007, 12:07 AM

Originally Posted by AtlanticBlue99

Originally Posted by bone_crusher

just replace all four of your cats with hi-flows. you will throw a trouble code if you take out two of the cats

no you wont. i removed my rear two cats before getting long tubes and modifying my mid pipe and didnt throw any codes

can you still pass emissions with only 2 of the 4 cats

AtlanticBlue99 · October 4th, 2007, 12:36 AM

Originally Posted by tjames

Originally Posted by AtlanticBlue99

Originally Posted by bone_crusher

just replace all four of your cats with hi-flows. you will throw a trouble code if you take out two of the cats

no you wont. i removed my rear two cats before getting long tubes and modifying my mid pipe and didnt throw any codes

can you still pass emissions with only 2 of the 4 cats

yes

tjames · October 4th, 2007, 12:48 AM

^AB... PM sent

Onemanzu · October 4th, 2007, 12:51 AM

depends on where you live... some places you can't touch or modify the cats in any way, and may even be illegal to replace them on your own, or at an non authorized dealership... your best bet is to go find out by talking to a police department

tjames · October 4th, 2007, 01:02 AM

ok thanks man i will do that

AtlanticBlue99 · October 4th, 2007, 01:04 AM

it is illegal in the US for any car to have its cats removed by a shop and not replaced when it is an "on-road" application. but 2 cats will pass emissions. you also cannot sell a car for road use in the US if it has removed catalytic converters

October 3rd, 2007, 08:28 PM	#1
xSxTxAxNxGx Regular 2001 v6 14 maybe? Join Date: Sep 2007 Location: new york Posts: 370	which mac catback Which mac catback should i get for my stock 2001 v6...i want it deep tone and loud enough to let ppl know im present but quiet during crusiing and loud under hard acceleration...help please...and can i just have a shop cut out two of my cats and weld a pipe to where they used to be so i only would have two cats? and how much sound would that add?

October 3rd, 2007, 08:56 PM	#3
xSxTxAxNxGx Regular 2001 v6 14 maybe? Join Date: Sep 2007 Location: new york Posts: 370	but will it be insanly loud? i only want it really loud under hard acceleration i have to keep 2 cats on b/c of emissions and im getting a custom h pipe...i was just wondering if it would just be better to romove two of the cats and keep a single inlet for the exhaust and a dual out the rerar __________________ Shift Kit K&N fuel injection kit Mach 460 stereo system custom gauges

October 4th, 2007, 01:04 AM	#14
AtlanticBlue99 Administrator 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: UGA Posts: 7,408	it is illegal in the US for any car to have its cats removed by a shop and not replaced when it is an "on-road" application. but 2 cats will pass emissions. you also cannot sell a car for road use in the US if it has removed catalytic converters __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

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October 3rd, 2007, 09:14 PM	#5
xSxTxAxNxGx Regular 2001 v6 14 maybe? Join Date: Sep 2007 Location: new york Posts: 370	which catback a gt or v6 and should i keep the mufflers that come with the exhaust? and how much do u think all of this will cost?

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