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Jul 11, 2018, 08:16 PM
Trader Rating: 325
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$65.00 USD
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Macs Products OS 40-46SF Pre-Tuned Exhaust System **FITS MANY OTHER ENGINES**


This is a Macs Products factory pre-tuned exhaust system with the bolt on header and pipe for the OS 40- 46 SF engines. This will add 15-20 percent more power than the factory muffler. This was used for 6 flights on the OS 46SF ABC engine that I had in a Hammer 40 that I also have listed.

It will also fit the following(information supplied by Ed S.)
O.S. .40-.45 FSR (bolt-on)
OS 40-46 SF (bolt-on)
ASP .40
Fox .45, & .50 BBRC
Irvine .40 (bolt on)
(screws 3.5mm x 12mm socket head)
(center to center = 27.94mm/1.100")
HP .40 (bolt-on)
(screws 3mm x 12mm socket head)


I am asking $65 shipped to anywhere in the USA. Paypal payment is preferred
Last edited by Whitman Flyers; Jul 11, 2018 at 09:36 PM.
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Jul 11, 2018, 09:08 PM
Trader Rating: 1
Registered User
Hi Whitman,
i have this set-up new in the package. I am going to post what is says it fits- You helped me a while back, figure it is my turn

Ed

O.S. .40-.45 FSR (bolt-on)
OS 40-46 SF (bolt-on)
ASP .40
Fox .45, & .50 BBRC
Irvine .40 (bolt on)
(screws 3.5mm x 12mm socket head)
(center to center = 27.94mm/1.100")
HP .40 (bolt-on)
(screws 3mm x 12mm socket head)
Jul 11, 2018, 09:11 PM
Trader Rating: 325
Registered User
Hi Ed,
Boy can not thank you enough, glad those parts helped you get your OPS 60 going again. That is what is hobby is all about, helping each other out

Lewis
Jul 11, 2018, 10:41 PM
Trader Rating: 35
The 6 P principle works for me
elecfryer's Avatar
PM on the way!
Jul 12, 2018, 05:35 PM
Trader Rating: 325
Registered User
SOLD TO elecfryer


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