Vibrant bottle style resonator

[1 old racer]

Anyone ever use these to tone down their Roush active exhaust with a x pipe?
I installed these with a factory and was just too mellow, (80 DB's @ 4500RPM's using the Ca. test method). With a Steeda x pipe too loud (105 DB's @4500 RPM's using the Ca test method). Love the deep tone of the Roush, just need it a little toned down. I was wondering if any one out there tried using a set of the Vibrant resonators welded in line on the x-pipe to tone it down a bit? As a side note the Steeda x pipe with a factory muffler set up was a raspy 96 db/'s at 4500 RPM's.

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[eisenhauer01]

I added them to my car when I bought it. The previous owner had catless LTH, o/r x-pipe and Ford Racing by Borla Axle Backs. It was obnoxious and raspy with a lot of drone in the cabin. I welded the vibrant bottle style resonators in and it did a lot to tone it down. It killed a lot of the rasp and almost all of the drone. I ran that system for a few years. Just put a full borla touring cat back behind my LTH and it sounds perfect. But to answer your question, yeah they will knock off the obnoxious loud raspy sound for the most part imo.

 

[DRKHORS]

Yes, even the smaller ones (12"x2.5") do a good job of cutting down rasp and drone, and bring the sound level back down to acceptable levels without making the exhaust too quiet. Too quiet was the Magnaflow TruX, although in all fairness I didn't give it enough time to burn in either.

 

[5.0_Lojos]

I have them on my s550 as well. There is only one thing I don't like, If you step on it there is a quick trumpety sound at the initial takeoff. It helped after going catless for sure. There is still some drone but definitely an improvement. The car came with the magnaflow exhaust.

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