There is a BIG difference between the performance of these two popular header designs!
Obviously, this specific example(s) only applies to modern inline-4 motorcycle engines, BUT the header designs still vary DRAMATICALLY between popular triple and twin cylinder engine models as well! To get our custom intake/exhaust-specific ECU mapping flashed into your bike's ECU, head over to 2WDW.com and purchase our Mail In ECU Flashing Service today! If you have any questions, please feel free to email us at [email protected]. We are always happy to help.
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Building A TURBO Yamaha R7 Everyone Said Was A Bad Idea
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Here's how we break in brand new motorcycles at 2WDW!
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Revs at Temp - 2010 Yamaha R1 8776
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CHOSEN ONE!! YOUR IDENTITY REVEAL JUST SHOOK THE INTERNET... AND THEIR MINDS
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Even though the improvements are HUGE, we STILL aren't fully satisfied with our 2WDW R9!
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#kawasaki Z900RS Delkavic retro look exhaust gets Dyno’d #tuning #performance #modify
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This is a great example of the TRUE POTENTIAL of the 4th Gen Yamaha CP3 Platform!
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So You Want a Kawasaki ZX4-RR
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We tested a set of ported throttle bodies on our R9, and the results may surprise you!
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25° of ignition timing gave us MAX power. Why?
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Instant Regret on Wheels 😂 | Worst Fails of 2026
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Make U-Turns SO EASY It Feels Like Cheating
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Motorcycle Engines Are WAY BETTER than Car Engines
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Yamaha R1 Died on Track: What Went Wrong?!?!?
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2020 R1M... The Most Powerful Yamaha R1 we have ever dyno tested AFTER these mods....
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You're Not a REAL Biker Until You Know These!
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Yamaha R9 Intake, Exhaust & Tuning Results - It's now a proper trackday weapon!
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Just how BAD can installing a baffle in your slip on exhaust REALLY be?!
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The BEST tuning available for these MT-10s is now EVEN BETTER!
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