The Two Brothers Racing Black Series exhausts downplays the raw power these systems unleash. Dyno tuned and track tested, like all TBR exhausts, the Black Series are aimed at those who want Absolute Top Level performance but smart and understated esthetics.
Black Teflon coated cast magnesium end caps
What makes the Black Series so seductively exclusive?
Black Teflon coated billet aluminum inlets and outlets
Black Teflon coated canister reinforcement bands
Special Black anodized 7075 T-6 aluminum bolts that are the button-down on top of the refined Black Series
This system completely replaces your existing exhaust system
Not only adds horsepower but also can drop significant weight from your bike
Header systems are built as a complete unit
Finished systems flow better at the collectors, makes more power and does not vibrate on the bike
M series exhaust canisters feature the highest level of quality construction and are designed to be fully serviceable in the event of damage, routine maintenance or the occasional repack
V.A.L.E. slip-on/full exhaust systems and flange-on systems feature CNC machined aluminum inlets and outlets. These special designs provide for ease of maintenance as well as simplified construction, which is what a premium performance product is all about
The exhaust note produced by all Top Level exhaust systems is best described as being deep and throaty without suffering from the shrill whine normally associated with other manufacturers straight through muffler canisters
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This review is for Two Brothers Racing M-2 V.A.L.E. Black Series Slip-On Exhaust - Kawasaki Ninja 250R - 2008-13
Awesome beefy sound - Nmist
Recommended by Reviewer: Yes
Pros: Super beefy sound without being overwhelmingly loud. Looks awesome. People think bike is modded or bigger than it is because it sounds as loud as most 600 bikes.
Cons: Draws a lot of attention. Gives authorities the impression you are speeding.
Great exhaust kit. Came pre-installed on my bike by last owner and I would buy it again in a heartbeat. Amazing sound. People will not know its a slip on by the great sound quality. At 10,000 rpm you can hear engine whine but it is very minimal due to how loud the kit is.