diff --git a/eos/effects/modulebonusafterburner.py b/eos/effects/modulebonusafterburner.py
new file mode 100644
index 000000000..c8dbd9b7e
--- /dev/null
+++ b/eos/effects/modulebonusafterburner.py
@@ -0,0 +1,10 @@
+type = "active"
+runTime = "late"
+
+
+def handler(fit, module, context):
+    fit.ship.increaseItemAttr("mass", module.getModifiedItemAttr("massAddition"))
+    speedBoost = module.getModifiedItemAttr("speedFactor")
+    mass = fit.ship.getModifiedItemAttr("mass")
+    thrust = module.getModifiedItemAttr("speedBoostFactor")
+    fit.ship.boostItemAttr("maxVelocity", speedBoost * thrust / mass)
\ No newline at end of file
diff --git a/eos/effects/modulebonusmicrowarpdrive.py b/eos/effects/modulebonusmicrowarpdrive.py
new file mode 100644
index 000000000..9eb233ab1
--- /dev/null
+++ b/eos/effects/modulebonusmicrowarpdrive.py
@@ -0,0 +1,11 @@
+type = "active"
+runTime = "late"
+
+
+def handler(fit, module, context):
+    fit.ship.increaseItemAttr("mass", module.getModifiedItemAttr("massAddition"))
+    speedBoost = module.getModifiedItemAttr("speedFactor")
+    mass = fit.ship.getModifiedItemAttr("mass")
+    thrust = module.getModifiedItemAttr("speedBoostFactor")
+    fit.ship.boostItemAttr("maxVelocity", speedBoost * thrust / mass)
+    fit.ship.boostItemAttr("signatureRadius", module.getModifiedItemAttr("signatureRadiusBonus"), stackingPenalties = True)
diff --git a/eve.db b/eve.db
index 4d1511be6..c3f4199cb 100644
Binary files a/eve.db and b/eve.db differ