# Quick Cat Question

**URL:** <https://forums.speedlife.net/t/quick-cat-question/93455>\
**Category:** SON240sx Automotive\
**Created:** [March 6, 2006, 12:02pm UTC](https://forums.speedlife.net/t/quick-cat-question/93455 "2006-03-06T12:02:09Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\
**Post date:** [March 6, 2006, 12:02pm UTC](https://forums.speedlife.net/t/quick-cat-question/93455/1 "2006-03-06T12:02:09Z")

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on a S13/sr20  
if you have a Megan DP and a S13 Cat Back 3"  
what is the lengh of the cat that you need.

I want to grab a 3" flanged highflo cat that I can just bolt in.

I am assuming it is the same lengh as all them test pipes

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**Author:** ![Alex](https://avatars.discourse-cdn.com/v4/letter/a/db5fbb/32.png) [@Alex](https://forums.speedlife.net/u/Alex)\
**Post date:** [March 6, 2006, 1:30pm UTC](https://forums.speedlife.net/t/quick-cat-question/93455/2 "2006-03-06T13:30:31Z")

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go to partsource and buy a magnaflow 3" cat for $75. then go to zorro muffler and have them weld on flanges. should cost about $50. you need to cut about 1.5" off the cat then weld on flanges and it will fit. this should be cheaper than a bolt in cat

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**Author:** ![Genra](https://avatars.discourse-cdn.com/v4/letter/g/9de053/32.png) [@Genra](https://forums.speedlife.net/u/Genra)\
**Post date:** [March 6, 2006, 1:47pm UTC](https://forums.speedlife.net/t/quick-cat-question/93455/3 "2006-03-06T13:47:02Z")

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ive done that on my 240 before… magnaflow high flow was about $80 then i went to minute muffler and for $40 they welded on flanges and bolted it up… took them about 30 mins to do it…

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**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\
**Post date:** [March 7, 2006, 5:18am UTC](https://forums.speedlife.net/t/quick-cat-question/93455/4 "2006-03-07T05:18:57Z")

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nice nice, ya I will not be able to drive the car there for them too size up, so I was thinking of borrowing a test pipe from a friend and just tell them to make it the same lenght and match the position of the flanges.

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**Author:** ![side\_wayz](https://avatars.discourse-cdn.com/v4/letter/s/5e9695/32.png) [@side\_wayz](https://forums.speedlife.net/u/side_wayz)\
**Post date:** [March 7, 2006, 7:54am UTC](https://forums.speedlife.net/t/quick-cat-question/93455/5 "2006-03-07T07:54:23Z")

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i tried that, they said they need u to bring in the car so they can possition it 100% on ur car, that way it will fit no matter wut.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\
**Post date:** [March 7, 2006, 8:54am UTC](https://forums.speedlife.net/t/quick-cat-question/93455/6 "2006-03-07T08:54:49Z")

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ya it is not a big deal, I know who I will get to seld it up, with having a test pipe is should not be a problem