Performance

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FMF 4.1 Stainless Muffler System (2023 Kawasaki KX250)

The Kawasaki KX250 has undergone some significant engine changes for 2023 and that sparked FMF to make an update to their 4.1 muffler system. The 2023 Kawasaki KX250 engine character has more low end grunt as well as pulling power than last year’s model but it still isn't quite as good as the Yamaha in…

ByKris KeeferDecember 1, 20220Comments

Performance Yamaha

Twisted Development 2nd Injector Kit For The 2022 Yamaha YZ250F

Second injectors aren’t all that new in the motocross world. Kawasaki and Suzuki all have been doing dual injectors for a while in moto, but some manufacturers aren’t completely sold on the the dual injection system. Jamie over at Twisted Development has made/developed his own dual injector system for the Yamaha YZ250F and it's now…

ByKris KeeferJune 29, 20220Comments

Exhaust Honda Performance

Akrapovic Evolution System (2022 Honda CRF250R)

I had this initial impression of the Akrapovic Evolution muffler system as I was doing a Racer X Garage Build on the 2022 Honda CR250R. After riding with the system for some time I came away with some notes that you may have not known about the beautiful system for the new generation CRF250R. The…

ByKris KeeferMay 17, 20220Comments

Bolt-Ons Hard Parts KTM Performance

Twisted Development Exhaust Flange For 2022.5-2023 KTM 450 SX-F

The Twisted Development exhaust flanges are shaped differently than the stock OEM flange, which can change the engine character of the new KTM 450 SX-F. We went through several during testing and found out a size/shape that can actually enhance the low to mid range power character. Compared to the stock piece the TD Performance…

ByKris KeeferMay 5, 20220Comments

Bolt-Ons KiT Performance

Brake Modifications And What They Do On The Track

You can only go as fast as your brakes allow you to slow down. That doesn’t sound quite right, does it? But if you don’t have good stopping power on your dirt bike, chances are you will not be able to get around the track or clip down that trail at any reasonable rate of…

ByKris KeeferOctober 24, 20210Comments

Bike Brands Bolt-Ons Exhaust Honda KiT Performance

Akrapovic Evolution Muffler System (2021-2022 Honda CRF450R)

I had the initial impression of the Akrapovic Evolution muffler system as I was doing a MotoConcepts/Bullfrog Spas Honda team test. I noticed that they have been running Akrapovic systems on their bikes, so I asked if I could borrow one to see how it worked. Akrapovic's Evolution line is their full titanium muffler system…

ByKris KeeferOctober 21, 20210Comments

Bolt-Ons Exhaust KiT Performance

FMF Fatty/Gnarly Pipe & Powercore 2 Silencer (2022 YZ250)

The 2022 Yamaha YZ250 is a hell of a fun bike to ride. Even though I am not a huge two stroke guy, I had a great time riding it and thought it had a better engine character than the previous model. The new intake design really helps smooth the power down low and makes…

ByKris KeeferOctober 3, 20210Comments

Bolt-Ons KiT Performance Suspension

X-Trig ROCS Tech Triple Clamp (2022 YZ450F)

It’s hard to find aftermarket triple clamps that are better than stock these days, especially on the Yamaha YZ250/450. So much is involved in making a triple clamp that flexes enough, but also has enough rigidity to aid the machine in corners as well. With the triple clamp flex character so important to chassis handling…

ByKris KeeferSeptember 23, 20210Comments

Bike Brands Bolt-Ons Exhaust KiT KTM Performance

Akrapovic Evolution System (2021-2022 KTM 250 SX-F)

When you purchase a 2021 KTM 250 SX-F TLD version the bike comes with a slip on Akrapovic Evolution muffler. However, I know that sometimes, certain machines react better to full systems rather than slip ons, we decided to get the full Evolution system to see how it changes the KTM 250 SX-F’s engine character.…

ByKris KeeferAugust 9, 20210Comments

Bolt-Ons KiT Performance

Dubya Edge Wheel Set

I will be straight up with you all… I am not a huge fan of $1500.00 wheel sets. Most of the time, I am a big stock wheel/hub guy, but in some cases I do need a little more security or toughness in my wheels. I am a big believer of bringing an extra set…

ByKris KeeferJune 16, 20210Comments

Performance

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