2003 gt convert exhaust - Page 2 - Ford Mustang Forum
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post #16 of 17 (permalink) Old 01-25-2018 Thread Starter
dewkat's Avatar
Joined: Dec 2017
Posts: 27
No Cats did u tune to turn the check light off?

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Bluestreak69's Avatar
Joined: Jun 2012
Location: Somewhere
Posts: 159
Yeah those cats r restrictive as hell. I would have gone off road with mine but I needed cats to pass inspection. Lol those SLP high flow are basically hollow any way. Sounds good though. You need to wash that mach lol

2004 DSG Mach 1: K&N FIPK, X-Pipe with SLP High-Flow cats, Flowmaster Super 40s, MM C/C plates, 4.10 gears (auto), PHP Intake spacer, Steeda Tune

Last edited by Bluestreak69; 02-05-2018 at 12:40 AM.
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