Electric Motors, Engines & Accessories > Components - R/C Engine > Mufflers - R/C Engine [View Top Sellers for this Category] Bookmark this Page

Macs - MACG6980 MAC6980 6980 613528069802 0613528069802
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Parts Compatibility

Browse Macs

Macs Bolt-Through Muffler O.S. 91FX
Save $7.00! Save $7.00 off Your $50 Order!
Place at least a $50 order for a limited time and we'll take $7.00 off the total! All you have to do to claim your savings is click on coupon code 61001 and it will be placed in your shopping cart.

Macs Bolt-Through Muffler O.S. 91FX
View Larger Picture

Parts Saver Eligible:Yes

Stock Number
Tower's Low Price
FREE shipping when ordering this item on our web site... click for more information
Stock Status
In Stock
Add To Cart
Add to wish list
—— Share ——

Quantity Discount
  Special Savings When Buying in Quantities
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
Macs Bolt-Through Muffler O.S. 91FX Add to Wish List
118.40  Add To Cart 5.58  
Macs Bolt-Through Muffler O.S. 91FX Add to Wish List
176.67  Add To Cart 9.30  
Macs Bolt-Through Muffler O.S. 91FX Add to Wish List
292.90  Add To Cart 17.05  

Tech Notes
This is a Bolt-Through Muffler from Macs for the
OS .91 FX, Magnum .91 Pro and the ASP .91 engines.


Black aluminum construction
One piece construction
Ready for Macs New Smoke System


One Muffler w/ pre-installed pressure fitting
Two Muffler screws (8-32 x 1.875")


Thread-locking compound to keep screws tight


Overall length: 8.25" (291mm)
Length from center of exhaust port to end of muffler: 6.50" (165mm)
Body Diameter: 1.50" (38mm)
Exhaust Port Opening: 1.10" x .35"
(28mm x 9mm)
Width between mounting hole centers: 1.65" (42mm)


Bolt-Through means that the screws go through the engine and
screw into the muffler.

NNA 11/01/06

– If you need more information, use these Macs resources –
Web Site: http://www.macspro.com/
Phone: 916-456-6932
  Postal Address:

Click here for Units of Measure Conversion Calculators

Parts Compatibility
Parts Compatibility for Macs Bolt-Through Muffler O.S. 91FX
This item is an optional part for the following:
 LXBY47 O.S. 91FX Airplane Engine Ringed w/Muffler  (Parts List)

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
See Tower Hobbies
Reviews at Bizrate.com
Hobbico, Hobby & Model Construction
Supplies - Retail, Champaign, IL
We accept the following: We accept the following payment methods: Discover, MasterCard, Visa, American Express, Diners Club International, JCB, China UnionPay, PayPal, and PayPal Credit.
Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change.
Copyright © Tower Hobbies All rights reserved. Do not duplicate or redistribute in any form.