The EC/ECE type-approved Akrapovic Titanium Silencer Stainless 2-1 System S-Y7R11-HAPT is an ideal choice for those seeking a comprehensive upgrade of their Yamaha motorcycle exhaust. It offers superior performance, eye-catching design, and an enhanced sound experience for the most discerning of riders.
The whole system is crafted with only the best materials – titanium for the muffler outer sleeve and end cap, stainless steel for headers and link pipe, and a hand-crafted carbon fibre heat shield. These parts weigh 0.7kg less than the stock factory parts and provide an improved riding experience with an increase of 2.0hp (1.5kW) at 9,200rpm and 1.1Nm torque gain at 5,000rpm.
The system delivers an aesthetic appeal, with the pre-muffler placed securely beneath the main body and concealed by the fairing, while the muffler is visible along the right side. The Akrapovic tone, a powerful and resonant sound, completes the bike's sporty look.
Installation is straightforward with all necessary fittings and comprehensive mounting instructions included in the package. No fuel adjustments or ECU remapping is needed. An can be purchased to facilitate removal of the pillion footrests.
This system meets current Euro 5 regulations due to the integrated catalytic converter, allowing it to be used on public roads and highways.
Compatibility
This full system will fit on the following motorcycle models:
- Yamaha YZF-R7 2021-2023
Performance Data
| Unit | Stock | Akrapovic | Max gain | |
|---|---|---|---|---|
| Max. power | kW | 51.8 / 8600 rpm | 52.7 / 8700 rpm | 1.5 / 9200 rpm |
| HP (m) | 70.4 / 8600 rpm | 71.7 / 8700 rpm | 2 / 9200 rpm | |
| HP (i) | 69.4 / 8600 rpm | 70.7 / 8700 rpm | 2 / 9200 rpm | |
| Max. torque | Nm | 64.9 / 6600 rpm | 65.3 / 6700 rpm | 1.1 / 5000 rpm |
| lb-ft | 47.9 / 6600 rpm | 48.2 / 6700 rpm | 0.8 / 5000 rpm | |
| Weight | kg | 7.59 | 6.88 | - 0.7 |
| lb | 16.7 | 15.2 | - 1.5 | |
| % | - 9.4 | |||
| Product noise | dB | 86.3 / 3875 rpm | 85.9 / 3875 rpm | -0.4 |
| Inst. time | min | 60 |
