Thermal R&D Mufflers

Introducing new styles and finishes as well as our proven Thermal R&D mufflers. Check out our new options here!

Thermal R&D Universal Mufflers are perfect for those tackling custom builds or looking for a change in sound and performance versus a stock muffler. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound degradation.

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Thermal Muffler 6" Dia Rd x 14" Long x 2 1/4" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$92.40

Thermal Muffler 8" Dia Ov x 18" Long x 2.5" ID Single Inlet, Dual Outlet Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$124.33

Thermal Muffler 6" Dia Rd x 16" Long x 2.25" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$92.40

Thermal Muffler 7" Dia Round x 13" Long x 3" Inlet Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 8" Dia Ov x 12" Long x 3" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 8" Dia Ov x 16" Long x 3" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 6" Dia Rd x 14" Long x 2 1/2 ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$92.40

Thermal Muffler 6" Dia Rd x 14" Long x 3" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$92.40

Thermal Muffler 8" Dia Ov x 18" Long x 3" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 8" Dia Ov x 18" Long x 2.5" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 6" Dia Rd x 18" Long x 2.25" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$92.40

Thermal Muffler 6" Dia Rd x 18" Long x 2.5" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$92.40

Thermal Muffler 7" Dia Round x 16" Long x 3" Inlet Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 8" Dia Ov x 14" Long x 2.25" ID Single Inlet, Dual Outlet Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$124.33

Thermal Muffler 8" Dia Ov x 14" Long x 2.25" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 8" Dia Ov x 14" Long x 2.5" ID Single Inlet, Dual Outlet Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$124.33

Thermal Muffler 8" Dia Ov x 14" Long x 2.5" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28

Thermal Muffler 8" Dia Ov x 18" Long x 2.25" ID Stainless Steel

Thermal R&D Universal Mufflers contain a straight-through performance design. These universal T304 stainless steel mufflers are offered in a variety of styles, shapes and finishes for long-term durability, without sound...

$119.28