Aftermarket Product ReviewProvide questions and answers about aftermarket parts for the Third Generation F-Body.
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Does anyone have them installed on their car? i've been meaning to ask for awhile but does anyone notice like a whistling noise coming from the exhaust? Ive checked for leaks and none found. i can really notice the noise when i open the cut out which is right after the y pipe. it's kinda like a choo choo sound with every exhaust pulse. idk if it's because of the design of the y pipe or what but it's strange. thanx
__________________ 1989 RS L03 305/700R/Auburn pro series posi w/3.42 gears.
Work in progress. edelbrock 600cfm carb on top of weiand stealth manifold, Edelbrock Shorty headers, 3 inch Flowmaster American thunder system w/ no cat.
emissions deleted, A/C deleted. K&N open element.
Soon to come: New 383 stroker est. 500 hp, moser 12 bolt, BTO level 3 700r4.
Once I had a similar noise, it was coming from the AIR check valve on the passenger side header. Replaced check valve, noise gone. Nothing to do with my Edelbrock TES, though.
Bill
Could be the AIR tubes inside the primary tubes. When I had mine the AIR tubes stuck out into the airflow of the exhaust, some were 1/2 long inside the tubes!! I ended up taking a Dremel and grinded them out.
