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OS ENGINES- Select Your Engine to View Exhaust Options

2 Stroke - 46AX II | 55AX ABL | 65AX | 75AX | 95AX | 120AX

4 Stroke - FS56-a | FS-62V | FS72-a | FS-95V | FS-120S III-P w/Pump | FS155-a | FT-160 | 70 90 | 120 140 working on these links 8/23/16

Gas - GF30 | GF40 | GGT10 | GGT15 | GT15 | GT22 | GT33 | GT55 | GT60- working on these links 8/23/16

Older 2 Stroke Glow - 20 25FP 25LA | 35 40FP | 40LA | 35 40 45FSR | 40 46SF 40 46FX | 50 61FSR | 61SF | 90 108FSR | 91FX | 160FX | 3500BGX
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OS MAX .50 .61 FSR Compact Pitts Muffler by Slimline OS 50 61FSR Compact Side Mount Pitts Muffler

Part Number: 3213

List Price: $44.95
Slimline Web Price: $38.50
OS MAX .35 .40 .45 FS Compact Pitts Muffler by Slimline OS 35 40 45FSR Compact Side Mount Muffler

Part Number: 3214

List Price: $44.99
Slimline Web Price: $38.50
OS MAX .20 .25 FP 25 LA Compact Pitts Muffler by Slimline OS 20 25FP 25LA Compact Side Mount Pitts Muffler

Part Number: 3215

List Price: $44.99
Slimline Web Price: $38.50
OS MAX .35 .40 FP Compact Pitts Muffler by Slimline OS 35 40FP Compact Side Mount Pitts Muffler

Part Number: 3216

List Price: $44.99
Slimline Web Price: $38.50
OS MAX .61 SF Compact Pitts Muffler by Slimline OS 61SF 65AX Compact Side Mount Pitts Muffler

Part Number: 3217

List Price: $44.99
Slimline Web Price: $38.50
OS MAX 40 46SF  40 46FX 46 55AX Compact Pitts Muffler by Slimline OS 40 46SF FX 46 55AX Compact Side Mount Pitts Muffler

Part Number: 3218

List Price: $44.99
Slimline Web Price: $38.50
OS LA .40 Compact Pitts Muffler by Slimline OS 40LA Compact Side Mount Pitts Muffler

Part Number: 3219

List Price: $44.99
Slimline Web Price: $38.50
5020 Q Series Piits Muffler by Slimline OS 40 46SF FX 46 55AX 55LA Q Series Side Mount Piits Muffler

Part Number: 5020

List Price: $59.95
Slimline Web Price: $44.50
OS .90 1.08 Large Volume Pitts Muffler by Slimline OS 90 1.08FSR Large Volume Side Mount Pitts Muffler

Part Number: 6014

List Price: $74.99
Slimline Web Price: $54.50
5022 Q Series Piits Muffler by Slimline OS 91FX 95AX Q Series Side Mount Pitts Muffler

Part Number: 5022

List Price: $79.95
Slimline Web Price: $74.50
OS 120 Inverted Pitts Muffler by Slimline OS 120 Inverted Pitts Muffler

Part Number: 4011

List Price: $89.99
Slimline Web Price: $75.50
OS .90 - 1.08 FSR Inverted Pitts Muffler by Slimline OS 90 1.08FSR Inverted Pitts Muffler

Part Number: 2134

List Price: $89.99
Slimline Web Price: $75.50
OS 3500 BGX Inverted Pitts Muffler by Slimline OS 3500BGX Inverted Pitts Muffler

Part Number: 2135

List Price: $89.99
Slimline Web Price: $75.50
OS 160FX Inverted Pitts by Slimline OS 160FX Inverted Pitts Muffler

Part Number: 2138

List Price: $89.99
Slimline Web Price: $75.50
OS BGX 3500 Large Volume Pitts Muffler by Slimline OS 3500BGX Large Volume Side Mount Pitts Muffler

Part Number: 6015

List Price: $89.99
Slimline Web Price: $75.50
OS 160 FX Large Volume Pitts Muffler by Slimline OS 160FX Large Volume Side Mount Pitts Muffler

Part Number: 6018

List Price: $89.99
Slimline Web Price: $75.50
OS 120 140 Side Mount Pitts Muffler by Slimline OS 120 140 Side Mount Pitts Muffler

Part Number: 4001

List Price: $89.99
Slimline Web Price: $75.50
OS 70 90 Side Mount Pitts Muffler by Slimline OS 70 90 Side Mount Pitts Muffler

Part Number: 4002

List Price: $89.99
Slimline Web Price: $75.50
OS 91 Inverted Pitts Muffler by Slimline OS 91 Inverted Pitts Muffler

Part Number: 4012

List Price: $89.99
Slimline Web Price: $75.50
OS GT Side Canister by Slimline OS GT Side Canister

Part Number: 2156

List Price: $129.99
Slimline Web Price: $79.50
OS .91FX Inverted Pitts Muffler by Slimline OS 91FX 95AX Inverted Pitts Muffler

Part Number: 2136

List Price: $89.99
Slimline Web Price: $84.50
OS .90 - 1.08 FSR Inverted Pitts Muffler Smoke by Slimline OS 90 1.08FSR Inverted Pitts Muffler with SPI Smoke System

Part Number: 2134S

List Price: $119.99
Slimline Web Price: $98.50
OS 3500 BGX Inverted  Pitts Muffler Smoke by Slimline OS 3500BGX Inverted Pitts Muffler with SPI smoke System

Part Number: 2135S

List Price: $119.99
Slimline Web Price: $98.50
OS .91FX Inverted Pitts Muffler Smoke by Slimline OS 91FX 95AX Inverted Pitts Muffler with SPI Smoke System

Part Number: 2136S

List Price: $119.99
Slimline Web Price: $98.50
OS 160FX Inverted Pitts Smoke by Slimline OS 160FX Inverted Pitts Muffler with SPI Smoke System

Part Number: 2138S

List Price: $119.99
Slimline Web Price: $98.50
OS .90 1.08 Large Volume Pitts Muffler Smoke by Slimline OS 90 1.08FSR Large Volume Side Mount Pitts Muffler with SPI smoke System

Part Number: 6014S

List Price: $119.99
Slimline Web Price: $98.50
OS BGX 3500 Large Volume Pitts Muffler Smoke by Slimline OS 3500BGX Large Volume Side Mount Pitts Muffler with SPI smoke System

Part Number: 6015S

List Price: $119.99
Slimline Web Price: $98.50
OS 160 FX Large Volume Pitts Muffler Smoke by Slimline OS 160FX Large Volume Pitts Muffler with SPI Smoke System

Part Number: 6018S

List Price: $119.99
Slimline Web Price: $98.50
OS 120 140 Side Mount Pitts Muffler Smoke by Slimline OS 120 140 Side Mount Pitts Muffler Smoke

Part Number: 4001S

List Price: $119.99
Slimline Web Price: $98.50
OS 70 90 Side Mount Pitts Muffler Smoke by Slimline OS 70 90 Side Mount Pitts Muffler Smoke

Part Number: 4002S

List Price: $119.99
Slimline Web Price: $98.50