diff --git a/package.json b/package.json
index 05323866..df32523a 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
   "devDependencies": {
     "code": "^1.4.1",
     "lab": "^5.13.0",
+    "libp2p-spdy": "^0.1.0",
     "libp2p-tcp": "^0.1.1",
     "precommit-hook": "^3.0.0",
     "sinon": "^1.15.4",
diff --git a/src/swarm.js b/src/swarm.js
index 099917b4..0673c391 100644
--- a/src/swarm.js
+++ b/src/swarm.js
@@ -24,11 +24,13 @@ function Swarm (peerInfo) {
   //                  listeners: [] }
   self.transports = {}
 
+  // transportName: listener
   self.listeners = {}
 
+  // protocolName: handlerFunc
   self.protocols = {}
 
-  // muxerName: { muxer: muxer
+  // muxerName: { Muxer: Muxer // Muxer is a constructor
   //              options: options }
   self.muxers = {}
 
@@ -62,8 +64,11 @@ function Swarm (peerInfo) {
 
   }
 
-  self.addStreamMuxer = function (StreamMuxer, options) {
-
+  self.addStreamMuxer = function (name, StreamMuxer, options) {
+    self.muxers[name] = {
+      Muxer: StreamMuxer,
+      options: options
+    }
   }
 
   self.dial = function (peerInfo, options, protocol, callback) {
@@ -82,7 +87,12 @@ function Swarm (peerInfo) {
 
     if (self.conns[peerInfo.id.toB58String()]) {
       if (protocol) {
-        multistreamHandshake(self.conns[peerInfo.id.toB58String()])
+        if (self.muxers['spdy']) {
+          // TODO upgrade this conn to a muxer
+          console.log('TODO: upgrade a warm conn to muxer that was added after')
+        } else {
+          multistreamHandshake(self.conns[peerInfo.id.toB58String()])
+        }
         self.conns[peerInfo.id.toB58String()] = undefined
         delete self.conns[peerInfo.id.toB58String()]
         return
@@ -93,7 +103,11 @@ function Swarm (peerInfo) {
 
     // check if a stream muxer for this peer is available
     if (self.muxedConns[peerInfo.id.toB58String()]) {
-      return openMuxedStream()
+      if (protocol) {
+        return openMuxedStream(self.muxedConns[peerInfo.id.toB58String()])
+      } else {
+        return callback()
+      }
     }
 
     // Creating a new conn with this peer routine
@@ -151,24 +165,49 @@ function Swarm (peerInfo) {
 
     function done () {
       // TODO apply upgrades
-      // TODO apply stream muxer
+      // apply stream muxer
       // if no protocol is selected, save it in the pool
       // if protocol is selected, multistream that protocol
       if (!conn) {
         callback(new Error('Unable to open a connection'))
       }
 
-      if (protocol) {
-        multistreamHandshake(conn)
+      if (self.muxers['spdy']) {
+        var spdy = new self.muxers['spdy'].Muxer(self.muxers['spdy'].options)
+        spdy.attach(conn, false, function (err, muxer) {
+          if (err) {
+            return console.log(err) // TODO Treat error
+          }
+
+          muxer.on('stream', userProtocolMuxer)
+
+          self.muxedConns[peerInfo.id.toB58String()] = muxer
+
+          if (protocol) {
+            openMuxedStream(muxer)
+          } else {
+            callback()
+          }
+        })
       } else {
-        self.conns[peerInfo.id.toB58String()] = conn
-        callback()
+        if (protocol) {
+          multistreamHandshake(conn)
+        } else {
+          self.conns[peerInfo.id.toB58String()] = conn
+          callback()
+        }
       }
     }
 
-    function openMuxedStream () {
+    function openMuxedStream (muxer) {
       // 1. create a new stream on this muxedConn and pass that to
       // multistreamHanshake
+      muxer.dialStream(function (err, conn) {
+        if (err) {
+          return console.log(err) // TODO Treat error
+        }
+        multistreamHandshake(conn)
+      })
     }
 
     function multistreamHandshake (conn) {
@@ -213,8 +252,21 @@ function Swarm (peerInfo) {
     // TODO apply upgrades
     // TODO then add StreamMuxer if available (and point streams from muxer to userProtocolMuxer)
 
-    // if no stream muxer, then
-    userProtocolMuxer(conn)
+    if (self.muxers['spdy']) {
+      var spdy = new self.muxers['spdy'].Muxer(self.muxers['spdy'].options)
+      spdy.attach(conn, true, function (err, muxer) {
+        if (err) {
+          return console.log(err) // TODO treat error
+        }
+
+        // TODO This muxer has to be identified!
+
+        muxer.on('stream', userProtocolMuxer)
+      })
+    } else {
+       // if no stream muxer, then
+      userProtocolMuxer(conn)
+    }
   }
 
   // Handle user given protocols
diff --git a/tests/swarm-test.js b/tests/swarm-test.js
index a5a13ea0..8fd474a7 100644
--- a/tests/swarm-test.js
+++ b/tests/swarm-test.js
@@ -11,6 +11,7 @@ var Id = require('peer-id')
 var Peer = require('peer-info')
 var Swarm = require('../src')
 var tcp = require('libp2p-tcp')
+var Spdy = require('libp2p-spdy')
 
 /* TODO
 experiment('Basics', function () {
@@ -220,7 +221,81 @@ experiment('Without a Stream Muxer', function () {
   }) */
 })
 
-experiment('With a SPDY Stream Muxer', function () {})
+experiment('With a SPDY Stream Muxer', function () {
+  experiment('tcp', function () {
+    test('add Stream Muxer', function (done) {
+      // var mh = multiaddr('/ip4/127.0.0.1/tcp/8010')
+      var p = new Peer(Id.create(), [])
+      var sw = new Swarm(p)
+      sw.addStreamMuxer('spdy', Spdy, {})
+
+      done()
+    })
+
+    test('dial a conn on a protocol', function (done) {
+      var mh1 = multiaddr('/ip4/127.0.0.1/tcp/8010')
+      var p1 = new Peer(Id.create(), [])
+      var sw1 = new Swarm(p1)
+      sw1.addTransport('tcp', tcp, { multiaddr: mh1 }, {}, {port: 8010}, ready)
+      sw1.addStreamMuxer('spdy', Spdy, {})
+
+      var mh2 = multiaddr('/ip4/127.0.0.1/tcp/8020')
+      var p2 = new Peer(Id.create(), [])
+      var sw2 = new Swarm(p2)
+      sw2.addTransport('tcp', tcp, { multiaddr: mh2 }, {}, {port: 8020}, ready)
+      sw2.addStreamMuxer('spdy', Spdy, {})
+
+      sw2.handleProtocol('/sparkles/1.0.0', function (conn) {
+        // formallity so that the conn starts flowing
+        conn.on('data', function (chunk) {})
+
+        conn.end()
+        conn.on('end', function () {
+          expect(Object.keys(sw1.muxedConns).length).to.equal(1)
+          expect(Object.keys(sw2.muxedConns).length).to.equal(0)
+          var cleaningCounter = 0
+          sw1.closeConns(cleaningUp)
+          sw2.closeConns(cleaningUp)
+
+          sw1.closeListener('tcp', cleaningUp)
+          sw2.closeListener('tcp', cleaningUp)
+
+          function cleaningUp () {
+            cleaningCounter++
+            // TODO FIX: here should be 4, but because super wrapping of
+            // streams, it makes it so hard to properly close the muxed
+            // streams - https://github.com/indutny/spdy-transport/issues/14
+            if (cleaningCounter < 3) {
+              return
+            }
+
+            done()
+          }
+        })
+      })
+
+      var count = 0
+
+      function ready () {
+        count++
+        if (count < 2) {
+          return
+        }
+
+        sw1.dial(p2, {}, '/sparkles/1.0.0', function (err, conn) {
+          conn.on('data', function () {})
+          expect(err).to.equal(null)
+          expect(Object.keys(sw1.conns).length).to.equal(0)
+          conn.end()
+        })
+      }
+    })
+    test('dial two conns (transport reuse)', function (done) {
+      done()
+    })
+    test('identify', function (done) { done() })
+  })
+})
 
 /* OLD
 experiment('BASICS', function () {