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So then would you say a stock exhaust would probably get you better performance than mindlessly straight pipe it?

Loving your videos. So I have 2025 Grom, and my mods are Zoom loop exhaust no baffle, TST air box cover, DHM Ecu flash stage 1. Will I feel a difference when I put in the db killer to what I’m running now. I am thinking about doing the cam & sprocket later.

Simple Green and it's safe on your metals

If you damp a rag with gas it cleans the rims off really easily

This was very good info, the V4 is tempting but my wallet will not approve ... what is that tank mount you are using for the phone? I have not see that before.

Dude I'm not gonna lie. When I saw the into of you doing wheelies and top speed runs, I had an image in my mind of what the rider might look like. When you showed your face on camera I legitimately laughed. Then when you said that your background was in boosted civics I burst out laughing. I absolutely love it. It makes me happy when people don't fit neatly into the boxes people expect.

Im looking to get into mini moto racing here in Japan. Do you have any insight on getting a street legal grom and modifying it for the track vs. getting a HRC grom?

So glad I found your channel! Looking forward to more videos

Where has this channel been hiding?!

Was the flywheel reverse threaded? That’s how it appear in your video. I’m about to do this.

Nice bike dude

Where'd you get the short Cat'-Converter insert? ("amazon GP DB killer type thing", "catalytic converter type piece") Is it a Catalytic converter...I assume not (?)

From my drag racing days, I recall that the PRIMARY pipes (i.e. BEFORE the 'collector' on multi-cylinder engines) were tuned for specific rpm's. In general, shorter primary pipes increased high rpm power; longer primary pipes increased lower rpm torque. I envy the FUN you're having figuring out better performance than the Honda engineers, who've made millions of that engine. 🤩

No expert here but that motocross chain is not "0" ring? Are Groms not running "0" ring chains as standard? I can see how an "0" ring chain might be a drag on a small engine but the life span between the two chains is quite significant. Also, please be careful about spinning the wheel while running a rag along the chain. Ouch!

What’s the standard valve clearance

Good video, but you need to remove those subtitles, they’re distracting af.

Is the loop setup the same as "powerbomb" (bulge chamber) in the middle of the pipe? Im thinking for a full-system pipe without the cat and some said that single cylinder do need some kind of restriction, hence the powerbomb suggestion. Great video btw

Were talking reversion wave. Big thing on Harleys. Have you tried no restriction exhaust with a washer set back one inch from end of exhaust. Aka lollypop.

The Wisdom you share with us for free thank you sir!

Very interesting to see an analytical approach to your motorcycle's performance instead of relying on urban myths like the rest of us. I just bought a pristine 2015 Ducati Scrambler with no mods whatsoever and the first thing my biker buddies asked was... are you getting a termignoni? And while I would like to get one eventually directly from Ducati (with cat) so it's legal and passes Swiss periodic technical inspections, it's not a priority. Stickier tyres, assuring proper maintenance and mostly riding the thing are my priorities. A loud exhaust is not! I've been dreaming of owning a motorcycle since I was 12 and I'm 46 now. I'll have time to tinker later. Great video! Definitely subscribing!

change intake or exhaust = need tuned ecu for each set up for best ppower

humm long tube headers are good...wow

Cool looking grom. I still dont understand why anyone would buy one and not a real motorcycle. Maybe is the wheely thing?

I believe what happens is once your exhaust gas is back in the atmosphere, it has drops of Jupiter in its hair.

Wow, this was recommended to me by RUclips! Such a cool video

what rack is that?

How did you get the length of the header pipe?

I race WERA and work with a guy that knows these things. It's all true. You have to tune it for torque where you want it.

Not many tuners have figured this stuff out. Kudos to you sir.

I installed a Decha stealth air intake tube and drilled some holes in my air box, a good noise and plenty of oxygen. I tried an eBay exhaust and it was too loud even with the baffle. I'm keeping the stock exhaust on. It allows me to fit a Kitaco skid plate as well. I really want the zoom loop pipe but allow me to put on my own slip on.

Love your grom videos, keep them coming.

I just ordered the V3 on Amazon, it was 40% off so I got it for about $350

Thanks for the video... it helped my choice... ordering the v4... the v3 is really nice tho. I got it in today but was too small... it's very nice tho but the neck, elbows and size, the v4 seems a better pick for me... again, Thanks for the video...

how you like the grom on the kart track ? what mods have you done ? is it custom rearsets?

Hi, in the video you say your size is 50. What are your measurements? Your height? Chest? Waist? Does it correspond to the Alpinestar size guide?

is the rideknit stretchy ?

Are you running stock gearing?

i hit Like button because i have r3 to AHAHAHA more video to come!

Alll these just reduces the life span of your bike. It'll be fun tho..

Hi! I really enjoyed your video and the quality looks amazing. Could you share what camera you used for this video? I’d love to know more about the equipment you’re using. Thanks so much!

Just wanna say thank you for sharing this video. Literally getting all my buddies and my wife on these to do track racing like this. Im sitting at work and just stupidly excited about this decision.

Hell yeah! Love it!

Dope video MvP

Hi, how did you set the speed dial? What do you mean by the speed too? I understand the two other dials, the resistance & range one but confused on the speed. Also did you leave the range on max? Thanks

I just installed this on my '18 SF Grom. The mounting hardware installed just fine; no metal tabs to grind off. HOWEVER I did have to shave the front of my gas tank plastics similar to yours, though I think you shaved off way more on yours than I did on mine.. I have a ProTaper bar as well, and I think the cross bar sits just too close to the steering damper IMO; I like it to be easily accessible instead of digging around a crossbar, but each to their own! Overall it's an awesome upgrade for high speed runts 😀

Did you ever plan to adjust your shift light looked like it was still at factory setting

Where can I buy this exhaust? ZoOM channel's lastest video is for the older Grom, younger than 2022.

Wouldnt a loop constrict flow. No tx

Just added to my 2023, was not to bad of an install would be nice if Honda had noit put the 2 brackets there, or the vendor had made slots.

I've gone from car --> ebike --> vespa -- g310gs --> Grom (tomorrow morning!). Your videos really helped me understand this is literally the perfect bike for me as an 50 year old head that used to have a trackday habit in cars. These really are the spec miata's of the motorcycle world. So cool. Thanks for the vids man keep them coming.