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edpontiac91 · 05-27-2017, 02:02 PM

I recently had a Magnaflow Performance Muffler #12266 installed (a Midas friend Manager did a PERFECT WELD) and was a little disappointed in the actual sound. At idle, it sounded almost stock and it really is hard to tell at highway speeds. Now I was looking at sound clips and one company stated it needs about 400 miles on it before it "settles" in. Anybody find that when they installed their muffler, it actually did improve the deeper growl overall as it broke in? Thanks

05-27-2017, 02:02 PM	#1
edpontiac91 Join Date: Aug 2007 Location: Piscataway, N.J. Posts: 1,729 iTrader: (16)	Magnaflow Performance Muffler SOUND? I recently had a Magnaflow Performance Muffler #12266 installed (a Midas friend Manager did a PERFECT WELD) and was a little disappointed in the actual sound. At idle, it sounded almost stock and it really is hard to tell at highway speeds. Now I was looking at sound clips and one company stated it needs about 400 miles on it before it "settles" in. Anybody find that when they installed their muffler, it actually did improve the deeper growl overall as it broke in? Thanks __________________ 1991 FORMULA 350-GONE BUT NOT FORGOTTEN 1 of 1,197 with L98 Option/13.79@100 mph 1994 25th ANNIVERSARY TRANS AM GT -1 of ONLY 2,000 made/ Only 128 made with a *HURST* 6-Speed Manual and 91 with T-Tops and Compact Disc/ K & N Filtercharger/Magnaflow Performance Muffler/Air Foil- ORIGINAL MINT Arctic White Ultra Rare SURVIVOR. DAYTONA 500 PACE CAR Decal Kit! SOLD: 1989 Turbo T/A in 1991 it ran 12:18@115 mph