diff --git a/finagle/h2/src/main/scala/com/twitter/finagle/buoyant/h2/H2HeaderInjector.scala b/finagle/h2/src/main/scala/com/twitter/finagle/buoyant/h2/H2HeaderInjector.scala
new file mode 100644
index 0000000000..a7113c7c17
--- /dev/null
+++ b/finagle/h2/src/main/scala/com/twitter/finagle/buoyant/h2/H2HeaderInjector.scala
@@ -0,0 +1,27 @@
+package com.twitter.finagle.buoyant.h2
+
+import com.twitter.finagle
+import com.twitter.finagle._
+import com.twitter.util.Future
+
+object H2HeaderInjector {
+  def module(headerMap: Map[String, String]): Stackable[ServiceFactory[Request, Response]] = {
+    new finagle.Stack.Module0[ServiceFactory[Request, Response]] {
+      override def make(next: ServiceFactory[Request, Response]): ServiceFactory[Request, Response] =
+        new HeaderInjector(headerMap).andThen(next)
+
+      override def role: Stack.Role = Stack.Role("H2HeaderInjector")
+      override def description: String = "Add arbitrary headers to H2 requests"
+    }
+  }
+}
+
+class HeaderInjector(injectHeaders: Map[String, String]) extends SimpleFilter[Request, Response] {
+  override def apply(request: Request, service: Service[Request, Response]): Future[Response] = {
+    val req = request.dup()
+    injectHeaders.foreach { kvPair =>
+      req.headers.add(kvPair._1, kvPair._2); ()
+    }
+    service(req)
+  }
+}