Already being the owner of the latest Yamaha YZF-R1 may not seem enough for some guys, and if they're also into racing, the standard exhausts will never do. And because aftermarket exhaust ...

RELATED: How and why are modern exhaust systems so good? Read more here. So, bottom line: Bolt an aftermarket slip-on to your R1 if you want, but it will likely just add weight and not add power.

In case you believe that the 2015 Yamaha YZF-R1 is not already cool enough and is in need of more killer-looking add-ons, how about upping the game dramatically and installing an exhaust which ...

Yamaha also unveiled a 60th anniversary YZF-R1 60th with Akrapovic exhaust, carbon fibre heat shield and special Kenny Roberts yellow and black speedblock racing colours and graphics. Yamaha R1 60th ...

“With the R1 GYTR Pro 25th Anniversary edition our ... You also get a new Akrapovič Race exhaust, complete with a mid-pipe developed in tandem with Yamaha, to produce a fraction more power ...

Captured on a training trackway, this is what the Crossplane Mumble sounds like. We wait to lay our hands on the 2015 R1 for a full review.