⟲ 360° — drag meThe facts.
| Brand | Akrapovic |
|---|---|
| Part number | S-H2MET9-QTA |
| Fitment | Honda CRF250R and CRF250RX (2016–2017) |
| Line | Evolution Line (Titanium) — complete system |
| Materials | Titanium from the cylinder head to the outlet |
| Weight | 3.6 kg against a standard 4.5 — nine hundred grams saved |
| Power | 37.5 PS at the crank, one and a half above standard |
| Noise insert | Removable insert supplied with the system |
| Installation | Eighty minutes of workshop time |
| Road approval | None — closed course competition use only |
DescriptionThe whole story▼
This is the one CRF250R system in the catalogue that publishes both a weight and a measured noise level, and the noise figure is the interesting one: 93.8 dB against the standard exhaust's 93.4, read at 5,000 rpm. Four tenths of a decibel is nothing. A full titanium racing system that is barely louder than Honda's own is not what most riders expect.
Key Features
- Titanium from the cylinder head to the outlet, headers included
- 3.6 kg against a standard 4.5 — nine hundred grams gone
- 37.5 PS, one and a half horsepower above the standard system
- 25.9 Nm, an increase of one newton metre
- Removable noise insert supplied
- 93.8 dB measured at 5,000 rpm, four tenths above standard
- Closed course competition use only
Titanium All the Way to the Head
Akrapovic builds two complete systems for this machine. The Racing Line uses steel header tubes with a titanium muffler sleeve. This one is titanium throughout, and that single difference is what separates them in the catalogue, in the price and on the scales.
Steel headers are not a compromise in strength — they are a compromise in mass, sitting high on the frame where a motocross bike least wants it. Titanium tubing costs several times as much to form and weld, which is the honest reason the Racing Line exists alongside this system.
Nine Hundred Grams
Twenty per cent off the exhaust of a bike that weighs about 105 kg dry. It is not a headline number next to what later generations achieved, and it should not be dressed up as one — the 2016 CRF250R simply came with a lighter standard exhaust than the machines that followed it.
What matters more is where the mass sits: the header wraps around the top of the engine, and taking weight out of there lowers the point the bike pivots around in the air.
The Insert Comes in the Box
Akrapovic records a removable noise insert for this system. Club meetings with a static test, practice tracks with a limit written into the lease, an evening session near houses — the insert goes in, the reading drops, and it comes out again for a race.
Not every system in this range has one. Where it is absent, there is no adjustment available at all.
Both Gains at the Same Point
Power rises by one and a half horsepower and torque by one newton metre, and Akrapovic records both increases at 11,600 rpm — high, close to the power peak, and typical of a 250 four-stroke that spends its working life screaming.
Do not read that as a system with nothing underneath. It means the measured maxima happen to fall in the same place; the curve between is where the riding actually happens.
Eighty Minutes on the Bench
Longer than the hour Akrapovic quotes for its later CRF250R systems, and that is worth knowing before a race weekend. The 2016 machine routes its header around a different frame, and the exhaust has to come off for filter access more often than a road bike ever would.
Three Systems for Two Model Years
Akrapovic covers the 2016 and 2017 CRF250R three times over. The Slip-On Line S-H2SO5-QTA changes the muffler only. The Racing Line S-H2MR9-QTA adds steel headers. This one is the complete titanium system, and it is the most expensive of the three because of what it is made from rather than what it does differently.
An Older Generation
Honda replaced this engine for 2018 with the twin-silencer machine, then again for 2022. A 2016 CRF250R is a used bike now, and spending this much on an exhaust for one is a decision about racing rather than resale.
Road Approval
None. For closed course competition use only. Not intended for street use.
Specifications
- Part number: S-H2MET9-QTA
- EAN: 3831113535816
- Bikes covered: Honda CRF250R and CRF250RX, 2016 and 2017
- Line: Evolution Line (Titanium), complete system
- Made of: titanium throughout, headers included
- Weight: 3.6 kg fitted against 4.5 kg standard
- Power: up to 37.5 PS from 36 standard, read at 11,600 rpm
- Torque: up to 25.9 Nm from 25.5 standard, read at 11,600 rpm
- Noise: 93.8 dB against 93.4 standard, measured at 5,000 rpm
- Workshop time: about eighty minutes
- Approval: none; closed circuits only
FitmentWhich bikes this fits▼
- Honda CRF250R and CRF250RX (2016–2017)
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