Apexi Active Tailpipe Silencer
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Joined: May 2003
Posts: 23,329
Likes: 6
From: Norfolk
I have for sale an Apexi Active Tailpipe Silencer. Here is what Apexi say about it.......
You simply slide it into the tailpipe, make a single hole to hold it in place (to line up with the hole in the Apexi Silencer), one bolt to hold it. Done! It quietens the exhaust down no end. We have tested these to 400bhp with no power loss, but I used mine purely for journeys and day-to-day running (HONESTLY, I'd say my RST was quieter than our Clio at motorway speeds with it in!!). It really takes the drone out of the exhaust noise. Taking it out when I wanted all-out noise/power, just one M6 bolt to remove it, takes 30 seconds. You could have it in for the journey to a show/event, but take it out once you arrive.


The outside diameter of it is approximately 86mm, but I had an Alloy sleeve made allowing it to fit perfectly into a 4" Mongoose Tailpipe (97mm ID). It will fit into any exhaust with an internal diameter of either 86mm or 97mm. Or you could have a sleeve made to suit if you have an exhaust of a different diameter.
£95 plus postage.
The Apexi Active Tail Silencer features an anti-pressure response valve to decrease exhaust volume. The 'Active' Tail Silencer opens as the pressure increases to provide free high flowing exhaust flow when power and torque is required but reduces volume through restriction during times of low pressure. These features help to reduce noise when required but not hinder performance when desired.
Features
- Automatic valve operation based on pressure from vehicle
- Inner structure reduces exhaust resistance with high revolution
- High quality iconel spring used for superior heat resistance.
- Ball plunger type valve
Features
- Automatic valve operation based on pressure from vehicle
- Inner structure reduces exhaust resistance with high revolution
- High quality iconel spring used for superior heat resistance.
- Ball plunger type valve


The outside diameter of it is approximately 86mm, but I had an Alloy sleeve made allowing it to fit perfectly into a 4" Mongoose Tailpipe (97mm ID). It will fit into any exhaust with an internal diameter of either 86mm or 97mm. Or you could have a sleeve made to suit if you have an exhaust of a different diameter.
£95 plus postage.
Thread Starter
Joined: May 2003
Posts: 23,329
Likes: 6
From: Norfolk
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Thread Starter
Joined: May 2003
Posts: 23,329
Likes: 6
From: Norfolk
I know this has sold but I'm interested in making my 3" system quieter, would it be possible to put another silencer in the space that i have drawn around here or would it create too much back pressure? It's running around 300bhp on a gt28r
I have a 3" flexi pipe fitted after the downpipe that isn't shown in the pic.

I just want to reduce the drone on my car as i do a lot of motorway driving with it now.
I have a 3" flexi pipe fitted after the downpipe that isn't shown in the pic.

I just want to reduce the drone on my car as i do a lot of motorway driving with it now.
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nicodinho
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