![]() There is no need to make a lot of noise if you have enough power under the hood o blow most any one away. Straight through Dynomax, or Magnaflo 20' body YOU KNOW YOU HAVE THE POWER.AL A aukai Premium Member Joined 8,729 Posts 8 I have run a 582 cubic inch BBC with a two and a half inch exhaust system. No obstructions and still fairly quiet, especially in side the car. The larger the pipe diameter the more noise you are going to get as there is less turbulence in the pipe to dissipate the noise. I try and fit a seventy series under my car project but if there isn't enough room I will settle for a super fifty. A 40 is loud a 70 sounds stock until you blip the throttle. Bigger the FlowMaster number the bigger the case and the larger number of plates inside to reduce noise. Overview: The Quiet Tone muffler from Jones Exhaust provides improved exhaust performance, without the aggressive exhaust tones that usually come with it. The folks at FlowMaster basically "Super Sized" the stock Corvair muffler (Increasing the length and chamber volume) to account for the larger displacement of a V8. I personally like FlowMasters which are based upon the research done by Chevrolet engineers on the turbo charged Corvair muffler. Car Detailing and Show & Shine Prep sponsored by Autogeek.Don your best bet is to go to a local car show and ask the owner of a car that you like what kind of muffler and size of the exhaust that they have. 5 product ratings - Walker Exhaust Muffler Quiet-Flow 3 3' Inlet/3' Outlet Steel For Chevy GMC New.Car Audio & Electronics sponsored by Bavsound.Tire & Wheel Forum sponsored by The Tire Rack.Suspension Tech and Handling sponsored by.Professional Motorsports sponsored by Bimmerworld.Track, Auto-X & Drag Racing sponsored by This muffler has been designed to work with high horsepower vehicles to give your engine a power boost.General BMW and Automotive Discussion sponsored by Intercity Lines Exhaust - Quietest 3 single/single muffler, regardless - Hi all, Ive got a 10.5:1 355 going through some 1 3/4 primary long tube headers into a 3 pipe and.Quick Navigation Track, Auto-X & Drag Racing sponsored by Go Top What a shame!Īnyway, I am picking up a stock e36 exhaust just in case. The vagaries of dB readings, along with the extremely low dB requirements, means that a stock muffler may be what's necessary to ensure compliance.Thanks for the input. The whole thing is a total PITA as getting an 85dB reading next Tuesday doesn't mean I'll ever get the same reading again, even with the exact same components on the car. (No pun.) If you're too loud, adjusting your management of that transition will allow you to pass the test, and you can still have plenty of fun as long as you're not looking to set a personal lap record. ![]() It's the lift for braking on the front straight that will make or break your setup. The vagaries of dB readings, along with the extremely low dB requirements, means that a stock muffler may be what's necessary to ensure compliance. I listened to my new-for-LRP Flowmaster muffler today for the first time not 100% sure it's going to fly, but I hope to have the track give me a reading at next Tuesday's unmuffled test & tune day. Beats me as to what was going on, since there was no change on my part. His comment was that my lift hadn't been noticeable to him in session one, whereas in session two it gave him the old head-snapping-around-saying-WIH-was-that!?! effect. The 40 series is much smaller, but all you need to do is have a longer pipe between the muffler and the cat, about 2-3 inches longer. Therefore I decided to put a 40 series on there instead. ![]() With the windows down and the radio off I could hear it nicely, but not very loud. Next session, I received a black flag for 95dB pretty quickly, with the club's pit director asking me what exhaust change I'd made between sessions. This muffler is loud outside, but quiet inside. My last time at Lime Rock, I ran the first session with no issues. I am going to LRP on Monday (86db now).It's the lift for braking on the front straight that will make or break your setup.
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