2007 Kawasaki Ultra Free Flow Kit Bypass


(Enables you to bypass or remove secondary muffler (weight savings of +10lbs) improving engine performance by reducing back pressure and harmful detonation. Mandrel bent aluminum exhaust tube is lightweight and powder coated to resist corrosion. Included billet exhaust outlet cover (also sold separately) with laser etched graphics is anodized to prevent corrosion. High temperature silicone couplers included with detailed installation instructions.” )

250/260         $682.77

300/310         $670.32

If using the stock water box, you will need a reducing adapter as shown to the left. This only applies to 2008-2010 250/260, all 300 models. 

Premium High Temperature Adapter $40.00 ea.

250/260       $464.63

300/310       $456.82

EXHAUST

(For new OEM Exhaust, please see bottom of page.)

250/260/300/310 Exhaust 90 OEM

(Fits all ultra models! Developed on a Dyno and tested extensively on the water, this water box features radiused exhaust tubes and end caps for optimum exhaust flow. Unique exhaust baffle will increase the low-end power and mid-range pull of your Kawasaki Watercraft. Delivers up to 15hp on modified engines along with significant torque gains. High-strength aluminum construction will survive backfires and meltdowns. Powder coated to prevent corrosion. A must for modified motors. Includes detailed installation instructions.)

Exhaust Outlet Gasket    $40.00 ea.

15F/LX Water Box OEM

(This is the newest available water box with enlarged baffles.

Please contact us for our welding service if needed!

$192.00

$40.00 ea.

$75.00 each

Kawasaki Jet ski performance, Repair &  Maintenance 

Kawasaki Ultra Water Box

250/260/300/310 Exhaust Top Side OEM

2.25-3.25 Hose Clamp Set of Four 316SS

$31.28

2.25-3.25 Hose Clamp Set of Four 316SS     $31.28

Kawasaki Ultra Free Flow Kit, 08-13

15F/LX Exhaust Pipe OEM

Exhaust Outlet Gasket    $40.00 ea.

Kawi performance

250/260          $902.93

300/310          $750.74

$254.00

250/260/300/310 Exhaust Manifold OEM

2008-2013 Ultra Models

Ultra 310 Models

$308.90

15F/LX Exhaust Manifold OEM

$546.58

$254.00

$368.00

$696.28

Kawasaki 12f/15f/LX Water Box Repair Coupling

(For repair of old and/or corroded water box snout. You must cut off and re-weld the new coupling on the water box. We offer this service as well.)

Exhaust Gasket    $9.68 ea.
(Aftermarket, 2 needed)

(High quality mandrel bent aluminum exhaust tube will survive meltdowns & backfires. Includes billet exhaust outlet with laser etched graphics that is anodized to prevent corrosion. High temperature silicone couplers included along with detailed installation instructions. Will make exhaust louder, best to use with free flow water box. Fits all ultra models from 2008-2013. For secondary bypass on 2007 models please see free flow bypass kit below. Kit comes standard with a steel hose clamps from Riva, for salt water applications we highly recommend upgrading to the 316SS hose clamp below. The steel hose clamps will rust, and eventually break.)

250 (2007)       $708.17

250/260 (2008 and up)    $709.32

300    $484.48

310    $447.22

250/260/300/310 Water Box OEM

(2007 Water Box listed below only is the single.)

Kawasaki Ultra 310/300 Exhaust Race Plate
(The Exhaust Race Plate allows easy removal of restrictive honeycomb element on Ultra 310 & 300 models. OEM exhaust element is located inside exhaust system obstructing exhaust flow and producing excessive heat. Installation of Race Plate increases horsepower and reduces under-hood operating temperatures. Plate is precision machined out of high quality stainless steel.)