Subject	best high-flow cats for 3 to 2.5 test pipes ?
Posted by	TTkeeper on November 23, 2018 at 3:03 PM
	This message has been viewed 421 times.
Message	Have loud drone between 2200 and 2800 rpms. Looking to have my muffler tech install 3" high flow cats in my SZ test pipes right before they narrow to 2.5" to fit the H pipe and cat-back setup. Q1: Is there enough room in the "tunnel" for cats that are 4" in outside dimension? Q2: What brand /vendor would be a good source for 2 high flow ( 300 cell ) cats ?
Follow Ups	best high-flow cats for 3 to 2.5 test pipes ? - TTkeeper 15:03:55 11/23/18 Re: best high-flow cats for 3 to 2.5 test pipes ? - JDELUNA 18:55:20 11/23/18 Resonators help w. rasp not drone. (n/m) - Bernie (NoVA) 02:06:29 11/26/18 I have the same drone that I’m trying to fix this winter - itsa300zx 19:03:38 11/23/18 (link inside) Just put resonators in your catbacks - ForceFedTT 19:52:22 11/23/18 Vibrant is great quality, used their stuff on several cars. (n/m) - Colt 22:10:42 11/23/18 Re: best high-flow cats for 3 to 2.5 test pipes ? - Rob260 03:19:37 11/25/18 Speed up ? J/k. +2 for Vibrant gear (n/m) - ConVerTT 20:26:39 11/25/18 MagnaFlow 59959 will fit fine. - Bernie (NoVA) 02:14:35 11/26/18 thanks...do the 59959s have honeycomb or spiral core?(n/m). (n/m) - TTkeeper 12:30:56 11/26/18 looks to be spiral - SkiFly01 16:12:14 11/26/18 spiral (n/m) - Bernie (NoVA) 20:17:14 11/27/18 good question, I was wondering the same thing - moxie (SF) 12:39:17 11/26/18 Lol swapping cats to pass smog. I remember those days. Youre - ForceFedTT 15:22:39 11/26/18 it sucks, and I'm getting too old/lazy. I'd rather lose - moxie (SF) 01:17:28 11/27/18
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