Akrapovic exhaust Honda CB650F S-H6R12-HAFT 360° — drag me
6.33 k g
02 · Data & docs

The facts.

Technical data
BrandAkrapovic
Part numberS-H6R12-HAFT
FitmentHonda CB650F and CBR650F (2014–2016)
System typeRacing Line, complete system
MaterialsTitanium muffler outer sleeve
Weight6.33 kg (stock 10.0 kg, saving 3.7 kg / 36.7 %)
Power88.0 PS at 11,000 rpm (stock 83.4 PS, gain 4.6 PS / 3.4 kW at 11,100 rpm)
Torque64.7 Nm (stock 62.6 Nm, gain 2.1 Nm at 8,950 rpm)
EmissionsEuro 3
Road approvalEC type approval — valid ONLY with the catalytic converter installed
DescriptionThe whole story

The approval on this system has a condition attached, and it is the first thing you need to understand: the EC type approval is valid only when the catalytic converter is installed. Run the system without it and the certificate does not apply. Akrapovic states this plainly, and so does this page.

Key Features

  • 6.33 kg against the standard 10.0 kg: 3.7 kg and 36.7 per cent less
  • 4.6 PS (3.4 kW) more at 11,100 rpm, with peak output rising from 83.4 to 88.0 PS
  • 2.1 Nm more at 8,950 rpm
  • Complete system: headers, collector and silencer replace the whole standard exhaust path
  • Titanium muffler outer sleeve
  • EC type approval, conditional on the catalytic converter being fitted
  • Compliant with Euro 3, the standard these motorcycles were homologated to

What the Condition Means in Practice

A Racing Line replaces everything from the cylinder head back. On this system the catalytic converter is part of that assembly, and the type approval was granted for the system as a whole — converter included. Some owners remove the converter for track use, which is their decision to make, but the certificate stops applying at that moment and the motorcycle is no longer in a legal configuration for the road.

If you intend to ride it on the road, fit it complete and keep it complete. That is the whole of the requirement.

Euro 3, and Why That Is Stated

The CB650F and CBR650F were homologated to Euro 3, and this system is compliant with that standard. It is not a Euro 4 or Euro 5 part and does not claim to be — which is correct for the years it covers, and worth knowing if you are considering it for a later 650 that was homologated differently. It will not fit those anyway.

Four and a Half Horsepower on a 650

83.4 PS becoming 88.0 PS is a gain of 5.5 per cent, which is a great deal for a middleweight four. It comes from replacing a standard header and collector designed around emissions and cost with a system designed around gas flow, and it arrives high — 11,100 rpm — where a 649 cc four is meant to be worked.

Fitment and Compatibility

S-H6R12-HAFT covers the Honda CB650F and CBR650F from model year 2014 through 2016. The figures were measured on a 2015 CB650F. Installation is quoted at 90 minutes, which reflects a full system rather than a silencer swap.

Road Approval

EC type approval, valid only with the catalytic converter installed. The certificate is supplied and downloadable here. Fitted complete, the system is a legal replacement for road use in the European Union.

Specifications

  • Part number: S-H6R12-HAFT
  • EAN: 3831113527347
  • Fitment: Honda CB650F and CBR650F (2014–2016)
  • System type: Racing Line, complete system
  • Muffler outer sleeve: titanium
  • System weight: 6.33 kg (stock 10.0 kg, saving 3.7 kg / 36.7 %)
  • Power: 88.0 PS at 11,000 rpm (stock 83.4 PS at 11,000 rpm, gain 4.6 PS / 3.4 kW at 11,100 rpm)
  • Torque: 64.7 Nm (stock 62.6 Nm, gain 2.1 Nm at 8,950 rpm)
  • Measurement basis: Honda CB650F, model year 2015
  • Emissions: Euro 3
  • Noise insert: not supplied
  • Installation time: approx. 90 minutes
  • Road approval: EC type approval, valid only with the catalytic converter installed
  • Country of manufacture: Slovenia
FitmentWhich bikes this fits
  • Honda CB650F (2014–2016)
  • Honda CBR650F (2014–2016)
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