Ultra Flo Stainless Steel – Oval, 3- 1/4 x 7- 3/4 

Ultra Flo Stainless Steel – Oval, 4-1/4 x 9-3/4

Ultra Flo Stainless Steel – Oval 4-1/4 x 9-3/4, Dual In/Dual Out  

Ultra Flo Stainless Steel – Oval, 5-1/2 x 11 | Ultra Flo Stainless Steel – Round 6"

Ultra Flo Stainless Steel Muffler
·    Unique straight -through design maximizes flow and power
· All Ultra Flo SS import mufflers come with brushed stainless steel spouts.
· Continuous perf tube design maximizes sound absorption and minimizes turbulence.
· All stainless steel materials for optimum appearance, corrosion resistance and longer life. Includes high chromium content, high-luster T-304 cover and heads.
· Exclusive CRF (continuous roving fiberglass) for deep, powerful true performance sound. Won't blow out for life. Withstands temperature of 1500F.
Available in bushing diameters from 2" up to 3 1/2" to fit a wide variety of street applications. Thirty-inch length is recommended for most RV applications.
 
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Part #

Shell Dia.

Overall Length

Shell Length

Inlet Dia.

Outlet Dia.

Offset
Inlet-Outlet

17277

3 1/4 x 7 3/4

18

14

2 1/4

2 1/4

Center-Center

17278

3 1/4 x 7 3/4

18

14

2

2

Center-Center

17279

3 1/4 x 7 3/4

18

14

2

2

Side-Center

 
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Part #

Shell Dia.

Overall Length

Shell Length

Inlet Dia.

Outlet Dia.

Offset
Inlet-Outlet

17291

4 x 9 1/2

18

14

2

2

Center-Center

18281

4 1/4 x 9 3/4

19

14

2

2

Side-Center

17285

4 1/4   9 3/4

25

20

2

2

Side-Center

17292

4 x 9 1/2

18

14

2 1/4

2 1/4

Center-Center

17282

4 1/4 x 9 3/4

19

14

2

2

Side-Center

17271

4 1/4 x 9 3/4

19

14

2 1/4

2 1/4

Side-Side

17242

4 1/4   9 3/4

23

14

2 1/4

4 OD

Center-Center

17294

4 x 9 1/2

24

20

2 1/2

2 1/2

Center-Center

17287

4 1/4   9 3/4

25

20

2

2

Side-Center

17286

4 1/4   9 3/4

25

20

2 1/4

2 1/4

Side-Center

17293

4 x 9 1/2

18

14

2 1/2

2 1/2

Center-Center

17283

4 1/4 x 9 3/4

19

14

2 1/2

2 1/2

Side-Center

17294

4 x 9 3/4

24

20

21/4

2 1/4

Center-Center

17272

4 1/4 x 9 3/4

18

14

2 1/2

2 1/2

Side-Side

17289

4 1/4 x 9 3/4

25

20

2 1/2

2 1/2

Side-Center

17288

4 1/4 x 9 3/4

25

20

2 1/2

2 1/2

Side-Side

17265

4 1/4 x 9 3/4

25 1/2

20

2 1/2

2 1/2 (2)

Center-Dual Outlet

17266

4 1/4 x 9 3/4

24

18

2 1/2

2 1/2 (2)

Side-Dual

 
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Part #

Shell Dia.

Overall Length

Shell Length

Inlet Dia.

Outlet Dia.

Offset
Inlet-Outlet

17280

4 1/4 x 9 3/4

25

20

2 1/4 (2)

2 1/4 (2)

Dual-Dual

17276

4 1/4 x 9 3/4

25

20

2 1/2 (2)

2 1/2 (2)

Dual-Dual

 

 

 

 

 

 

 

 
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Part #

Shell Dia.

Overall Length

Shell Length

Inlet Dia.

Outlet Dia.

Offset
Inlet-Outlet

17243

5 1/2 x 11

23

14

2 1/4

3 OD

Center-Dual Outlet

17244

5 1/2 x 11

23

14

2 1/4

4 OD

Center-Center

17245

5 1/2 x 11

24

14

2 1/4

5 OD

Center-Center

17273

5 1/2 x 11

29

23

3

2 1/2 (2)

Center-Dual Outlet

 
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Part #

Shell Dia.

Overall Length

Shell Length

Inlet Dia.

Outlet Dia.

Offset
Inlet-Outlet

17246

6” Round

23

14

2 1/4

4 OD

Center-Center

17247

6” Round

23

14

2 1/4

4 OD

Center-Center

17267

6” Round

16

12

3

3

Center-Center

17268

6” Round

16

12

3 1/2

3 1/2

Center-Center

17263

4 1/4 x 9 3/4

18

14

2 1/4

2 1/4 OD

Side-Side

17296

6” Round

20

16

3

3

Center-Center

17298

6” Round

34

30

2 1/2

2 1/2

Center-Center

19299

6” Round

34

30

3

3

Center-Center

 
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