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11-21-2012, 05:52 PM | #1 |
White Shark
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valved exhaust system
will adding a valve to an exhaust that wasnt designed to have them change anything in terms of sound levels ?
for example the valved gintani exhaust looks like their regular muffler with the addition of two QTP valves and it seems to change the sound. with without now if i was to add two QTP valves to my exhaust would this do anything or will it be a waste of money and im better off just change my muffler to something that is designed with it. would appreciate some feed back |
11-23-2012, 12:00 AM | #2 |
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Drives: '08 E90 335i
Join Date: Jan 2012
Location: Northern NJ
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Are you adding valves to a stock or an aftermarket (thus more aggressive) muffler? Adding valves to a stock muffler is a waste since it's the quietest muffler really can get.
The Gintani (or any other valved system) offers the best of both worlds. When you need to be socially acceptable, you can close the valves & get stock-like exhaust noise levels. AND then when you want everyone in a 5 mile radius to know you're ripping on your M3, you can open & the valves and let the S65 sing. The difference between building your own & buying a pre-valved system (Gintani, Evolve, iPE, etc), is that the systems are designed to sound good whether the valves are open OR closed & with minimum drone. By fabricating your own exhaust, you run the possibility of making the exhaust sound like crap or unintentionally creating drone. |
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11-23-2012, 06:58 AM | #3 | |
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i hate to change my muffler so i want to compromise and take it to a good muffler shop and costume make a valve system and if anything ill add a set of resonators to reduce any drone or rasp |
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11-23-2012, 07:18 AM | #4 | |
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11-23-2012, 12:38 PM | #5 |
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had this setup for awhile this is the first time it happens, usually they just check my plate and leave me alone, but this time he was serious about it its all coz i downshifted without noticing he was in the other lane
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