diff --git a/sanic/app.py b/sanic/app.py
index ad4d7923..d2894ff2 100644
--- a/sanic/app.py
+++ b/sanic/app.py
@@ -26,7 +26,7 @@ from sanic.websocket import WebSocketProtocol, ConnectionClosed
 class Sanic:
 
     def __init__(self, name=None, router=None, error_handler=None,
-                 load_env=True):
+                 load_env=True, request_class=None):
         # Only set up a default log handler if the
         # end-user application didn't set anything up.
         if not logging.root.handlers and log.level == logging.NOTSET:
@@ -44,6 +44,7 @@ class Sanic:
 
         self.name = name
         self.router = router or Router()
+        self.request_class = request_class
         self.error_handler = error_handler or ErrorHandler()
         self.config = Config(load_env=load_env)
         self.request_middleware = deque()
@@ -668,6 +669,7 @@ class Sanic:
 
         server_settings = {
             'protocol': protocol,
+            'request_class': self.request_class,
             'host': host,
             'port': port,
             'sock': sock,
diff --git a/sanic/server.py b/sanic/server.py
index 976503a6..04dffefd 100644
--- a/sanic/server.py
+++ b/sanic/server.py
@@ -63,13 +63,13 @@ class HttpProtocol(asyncio.Protocol):
         # request params
         'parser', 'request', 'url', 'headers',
         # request config
-        'request_handler', 'request_timeout', 'request_max_size',
+        'request_handler', 'request_timeout', 'request_max_size', 'request_class',
         # connection management
         '_total_request_size', '_timeout_handler', '_last_communication_time')
 
     def __init__(self, *, loop, request_handler, error_handler,
                  signal=Signal(), connections=set(), request_timeout=60,
-                 request_max_size=None):
+                 request_max_size=None, request_class=None):
         self.loop = loop
         self.transport = None
         self.request = None
@@ -82,6 +82,7 @@ class HttpProtocol(asyncio.Protocol):
         self.error_handler = error_handler
         self.request_timeout = request_timeout
         self.request_max_size = request_max_size
+        self.request_class = request_class or Request
         self._total_request_size = 0
         self._timeout_handler = None
         self._last_request_time = None
@@ -151,7 +152,7 @@ class HttpProtocol(asyncio.Protocol):
         self.headers.append((name.decode().casefold(), value.decode()))
 
     def on_headers_complete(self):
-        self.request = Request(
+        self.request = self.request_class(
             url_bytes=self.url,
             headers=CIDict(self.headers),
             version=self.parser.get_http_version(),
@@ -320,7 +321,7 @@ def serve(host, port, request_handler, error_handler, before_start=None,
           request_timeout=60, ssl=None, sock=None, request_max_size=None,
           reuse_port=False, loop=None, protocol=HttpProtocol, backlog=100,
           register_sys_signals=True, run_async=False, connections=None,
-          signal=Signal()):
+          signal=Signal(), request_class=None):
     """Start asynchronous HTTP Server on an individual process.
 
     :param host: Address to host on
@@ -345,6 +346,7 @@ def serve(host, port, request_handler, error_handler, before_start=None,
     :param reuse_port: `True` for multiple workers
     :param loop: asyncio compatible event loop
     :param protocol: subclass of asyncio protocol class
+    :param request_class: Request class to use
     :return: Nothing
     """
     if not run_async:
@@ -366,6 +368,7 @@ def serve(host, port, request_handler, error_handler, before_start=None,
         error_handler=error_handler,
         request_timeout=request_timeout,
         request_max_size=request_max_size,
+        request_class=request_class,
     )
 
     server_coroutine = loop.create_server(