SCREAMIN' EAGLE STREET PERFORMANCE 2-1 MUFFLER
J066452021-09-29
GENERAL
Kit Numbers
64900752, 64900754, 64900756, 64900758, 64901190, 64901191
Models
For model fitment information, see the P&A retail catalog or the Parts and Accessories section of www.harley-davidson.com (English only).
Installation Requirements
Proper installation of this kit requires the separate purchase of one muffler clamp (Part No. 65900007), one gasket (Part no. 65900040) and threadlocker. All models require ECM calibration with Screamin' Eagle Pro Street Tuner for proper installation. LOCTITE 243 MEDIUM STRENGTH THREADLOCKER AND SEALANT (BLUE) (99642-97)
Kits 64901190, 64901191 requires additional O2 gaskets (Part No. 11936) purchased separately.
WARNINGRider and passenger safety depend upon the correct installation of this kit. Use the appropriate service manual procedures. If the procedure is not within your capabilities or you do not have the correct tools, have a Harley-Davidson dealer perform the installation. Improper installation of this kit could result in death or serious injury. (00333b)
NOTE
This instruction sheet refers to service manual information. A service manual for your year/model motorcycle is required for this installation. One is available from a Harley-Davidson dealer.
Kit Contents
These kits consist of one muffler and these instructions. There are no service parts available for this kit.
Product Information
Noise Emission Warranty
Harley-Davidson warrants that these mufflers, at the time of sale, meet all applicable noise and emissions standards. This warranty extends to the original purchaser for purposes other than resale, and to all subsequent buyers. Direct warranty claims to an authorized Harley-Davidson dealer.
Tampering Prohibition
Regulations prohibit any modifications to this exhaust system which cause the motorcycle to exceed noise standards. Use of a motorcycle with such a modified exhaust system is also prohibited.
NOTE
To avoid penalties under state and local ordinances, repair or replace this product if motorcycle noise increases significantly through use.
Muffler Installation
| 1. | Remove the main fuse. | |
| 2. | Remove the right saddlebag. See the service manual. | |
| 3. | See Figure 1. Loosen the muffler clamp. Note the orientation of the clamp bolt. | |
| 4. | Kits 64901190, 649001191: Remove O2 sensors from Original Equipment (OE) mufflers. See service manual. | |
| 5. | Remove and retain the muffler mount screws (C) and lock washers. | |
| 6. | Remove the muffler (1) and discard the muffler clamp (B) and gasket (A). | |
| 7. | If necessary, install muffler end caps. See the instructions in that kit. | |
| 8. | Install the new muffler gasket, beveled end first. | |
| 9. | Place the new muffler clamp on the muffler inlet. Orient the clamp bolt as noted in step 3. | |
| 10. | Slide the muffler onto the exhaust pipe. | |
| 11. | Align the muffler and secure to the bracket. a. Apply threadlocker to OE muffler screws. b. Install the OE lockwashers and muffler screws. | |
| 12. | Secure the muffler screws. Tighten. Torque: 13.5–16.3 N·m (119–144 in-lbs) | |
| 13. | Secure muffler clamp. Tighten. Torque: 51.5–58.3 N·m (38–43 ft-lbs) | |
| 14. | Kits 64901190, 649001191: Install new gaskets (11936) onto O2 sensors previously removed into new muffler. Torque: 16–19 N·m (12–14 ft-lbs) | |
NOTICE Wipe all fingerprints off of exhaust system components after installation and before starting engine. Oil from hands can leave permanent marks on exhaust system finish. (00346a) | ||
| 15. | Wipe the muffler clean of all fingerprints. Oil from hands burns permanently into the finish. | |
| 16. | Start engine. Check for exhaust leaks. | |
| 17. | Install right saddlebag per the service manual. |
SERVICE PARTS
Figure 1. MUFFLER
Table 1. Service Parts
Item | Description (Quantity) | Part Number |
|---|---|---|
1 | Muffler | Not Sold Separately |
Items mentioned in text, but not included in kit | ||
A | Muffler gasket | 65900040 |
B | Muffler clamp | 65900007 |
C | Muffler screw (2) | 2486 |
Thread locker | 99642-97 | |