 Reducing the highway drone on 3" exhaust, Plan B |
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 Jul 12, 2006 - 2:58 PM
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Enthusiast  Joined Jan 17, '04 From Illinois Currently Offline Reputation: 0 (0%)  |
Anyone who followed my "2 big muffler" thread will know that I wasn't very satisfied with the results in lowering the volume of the highway drone in my car. I have decided to go to plan B and buy an Apexi Active Tail Silencer. Its pretty cool. Its basically a tail pipe silencer that has a spring activated back piece that opens up the exhaust size upon certain exhaust pressure. This allows the car to travel around quietly for daily driving and then scream like a mo-fo when you get on it - exactly what I want. I think I will probably have to have an adapter made for my magnaflow muffler becuase the piece is made for Apexi mufflers which have odd sizes. Anyway, check out the link:
Apexi Active Tail Silencer -------------------- QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback] i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this. |
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Jul 12, 2006 - 3:01 PM
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Enthusiast Joined Mar 3, '04 From Hollywood, MD Currently Offline Reputation: 6 (100%) |
why dont you just sound deaden your interior?
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Jul 12, 2006 - 3:02 PM
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 Enthusiast Joined Apr 19, '06 From Long Island, NY Currently Offline Reputation: 13 (100%) |
Very good choice, on one of my older cars with dual exhaust I have 2 silencers that I had to pull out if I wanted my car loud again. It was such a pain in the ass I went months without changing.
-------------------- '92 Grey Mitsubishi 3000GT SL - Sold
'96 Black Celica ST 25th Anniversary - Sold '99 Black Mitsubishi 3000GT VR-4 - Sold '04 E250 Work Van - Going soon '08 Grey Dodge Charger Work Car - Ordered |
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Jul 12, 2006 - 3:02 PM
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Enthusiast Joined Jan 17, '04 From Illinois Currently Offline Reputation: 0 (0%) |
QUOTE(brianforster @ Jul 12, 2006 - 3:01 PM) [snapback]455197[/snapback] why dont you just sound deaden your interior? weight, cost and, most importantly, it doesn't have the same benefits for convertibles - even with the top up. -------------------- QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback] i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this. |
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Jul 12, 2006 - 3:03 PM
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Enthusiast Joined Mar 3, '04 From Hollywood, MD Currently Offline Reputation: 6 (100%) |
doh i totally forgot about convertible sorry
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Jul 12, 2006 - 5:29 PM
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 Enthusiast Joined Oct 12, '05 From Texas Currently Offline Reputation: 59 (100%) |
Could you post b 4 and after vids?
~snap -------------------- Past: V6 Swapped 6G Celica, E46 BMW M3, Jeep Wrangler TJ
Current: 850rwhp C6 Corvette Grandsport, Gen1 6.2L Ford Raptor |
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Jul 12, 2006 - 5:32 PM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
cool idea, jay, i hope it works for you.
like snap said, try and get some before/after pics and vids. =) -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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Jul 12, 2006 - 11:29 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
how about a hard top conversion?
-------------------- 15PSI - 30MPG - Megasquirt Tuned
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Jul 12, 2006 - 11:32 PM
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Enthusiast Joined Jan 17, '04 From Illinois Currently Offline Reputation: 0 (0%) |
Silencer is on order.
-------------------- QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback] i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this. |
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Jul 12, 2006 - 11:58 PM
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 Enthusiast Joined Mar 8, '04 From Newport, RI Currently Offline Reputation: 63 (99%) |
QUOTE(jgreening @ Jul 13, 2006 - 12:32 AM) [snapback]455445[/snapback] Silencer is on order. I would like to hear the results when you get this installed Jay. Get a 5 sec clip of a few revs bfore and after if you don't mind sir. -------------------- |
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Jul 13, 2006 - 12:27 AM
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 Enthusiast Joined Nov 3, '05 From Chicago Suburbs Currently Offline Reputation: 1 (100%) |
Great idea
how do you find all these cool gadgets ?  Hope that you werent planing on starting this thread without posting before and after sound clips -------------------- QUOTE(tufy @ Jul 19, 2006 - 7:40 AM) [snapback]458074[/snapback] i dont drive fast, i just fly low |
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Jul 19, 2006 - 6:04 PM
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Enthusiast Joined Jan 6, '06 From Toronto, Canada Currently Offline Reputation: 0 (0%) |
Im having a hard time imagining that this is going to work. You need the exact outlet size that an Apexi muffler has. Magnaflow has totally different tips. Also securing this silencer inside the tip of the magnaflow muffler will problematic. Post pics if you get it to work
 I think this would work better: Exhaust Control Valve (ECV) This post has been edited by Speedy2k: Jul 19, 2006 - 6:05 PM |
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Jul 19, 2006 - 6:47 PM
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Enthusiast Joined Mar 3, '04 From Hollywood, MD Currently Offline Reputation: 6 (100%) |
jay i have PLAN C for you it will work like a charm..
disconnect your exhasut from your downpipe for about a week, then reconnect it and it will be silent.. now that i have my exhaust on i can hardly tell the car is running compared to running open downpipe for 2 months lol
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Jul 19, 2006 - 10:20 PM
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Enthusiast Joined Jan 17, '04 From Illinois Currently Offline Reputation: 0 (0%) |
QUOTE(brianforster @ Jul 19, 2006 - 6:47 PM) [snapback]458303[/snapback] jay i have PLAN C for you it will work like a charm.. disconnect your exhasut from your downpipe for about a week, then reconnect it and it will be silent.. now that i have my exhaust on i can hardly tell the car is running compared to running open downpipe for 2 months lol LOL. -------------------- QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback] i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this. |
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Jul 28, 2006 - 4:32 PM
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 Enthusiast Joined Sep 24, '02 From North Carolina Currently Offline Reputation: 1 (100%) |
QUOTE(Speedy2k @ Jul 19, 2006 - 4:04 PM) [snapback]458281[/snapback] Im having a hard time imagining that this is going to work. You need the exact outlet size that an Apexi muffler has. Magnaflow has totally different tips. Also securing this silencer inside the tip of the magnaflow muffler will problematic. Post pics if you get it to work I think this would work better: Exhaust Control Valve (ECV) dude, if its round and have the same diameter....I don't see why it won't work as long as he can mount it on there. And mounting is simple, if there are existing holes in the muffler for a silencer, then he just have to drill holes in the silencer to match up so he can put screws in there. -------------------- |
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Jul 28, 2006 - 5:54 PM
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Enthusiast Joined Jan 17, '04 From Illinois Currently Offline Reputation: 0 (0%) |
QUOTE(Speedy2k @ Jul 19, 2006 - 6:04 PM) [snapback]458281[/snapback] Im having a hard time imagining that this is going to work. You need the exact outlet size that an Apexi muffler has. Magnaflow has totally different tips. Also securing this silencer inside the tip of the magnaflow muffler will problematic. Post pics if you get it to work I think this would work better: Exhaust Control Valve (ECV) Speedy, you can't possibly be wrong two times about my exhaust! The OD of the Apexi ATS is 90mm. The ID of the Magnaflow muffler is 99mm. I am having a stainless steel spacer custom fabricated that will be placed between the silencer and the muffler tip. 
This post has been edited by jgreening: Jul 28, 2006 - 5:55 PM -------------------- QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback] i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this. |
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