Flexible Quiet Muffler System

Motor Adapters






Straight Adapter
Size Engines Fitted # notches* Price Stock #
9 x .75 Saito FA-30 & FA-40a n/a 21.95 n/a
10 x .75 Enya 80
O.S. 40-60 FS & Surpass
Magnum FS 52 & 61
0 1650
10 x 1.0 Saito FA-45s
Saito FA-50 & FA-56
n/a n/a
11 x .75 O.S. 70 & 91 / FS & FL
/ Surpass/II & Ultra
ASP 80
Enya 90
Magnum FS 70,80 & 91
Thunder Tiger F-91S
Y.S. .53
1 1651
12 x 1.0 O.S. 90 FS
Saito 65, 72, 80/82a, 90/91S, 100/100t (but not the 100ti),
& 200ti
2 1652
13 x 1.0 Y.S. 63s, 91, 110FZ,
/ 120, 140Sport, 160DZ
Saito 125a
3 1653
14 x 1.0 Saito 120s & 180
/ 182td & 300ttdd
HP VT 49
Magnum 120 XL old
(not XL 120 RFS)
4 1654
14 x .75 O.S. FS 120 Surpass
Magnum XL 120 & 180 RFS
5 1655
15 x 1.0 Saito 220 n/a n/a




90° Adapter with Lock Nut
Size Engines Fitted # notches* Price Stock #
10 x .75 Enya 80
O.S. 40-60 FS & Surpass
Magnum FS 52 & 61
0 34.95 1670
11 x .75 O.S. 70 & 91 / FS & FL
/Surpass/II & Ultra
/ 160 Twin(Frount exhaust)
ASP 80
Enya 90
Magnum FS 70,80 & 91
Thunder Tiger F-91S
Y.S. 53
1 1671
12 x 1.0 O.S. 90 FS
Saito 65, 72, 80/82a, 90/91s & 100
/ 100t(but not the 100ti) & 200ti
2 1672
13 x 1.0 Y.S. 63S, 91, 110FZ, 120
/ 140Sport & 160DZ
Saito 125a
3 1673
14 x 1.0 Saito 120s, 180
/ 182td & 300ttdd
Magnum 120 XL old
(not XL 120 RFS)
4 1674
14 x .75 O.S. FS 120 Surpass
Magnum XL 120 & 180 RFS
5 1675
Adapter Plates
Enya R120 to 14 x 1.0
(also requires #1654 or #1674 to adept to flex tubing)
19.95 1657
*Notches are grooves on the outside of the motor fitting for identification

Muffler Pipe



Description Price Stock #
40-120 Quiet Muffler Pipe 88.95 1682


Flexible Tubing



Length Price Stock #
9" 12.95 9411
12" 13.95 9412
18" 17.95 9413
24" 20.95 9414


Wall Exhausters



0277 4-Cycle Exhauster Wall Mount 27.95
0278 4-Cycle Exhauster Through Wall Mount 32.95
0279 4-Cycle Exhauster Clamp Wall Mount 49.95





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Macs Products
7935A Carlton Rd.
Sacramento, CA 95826