Dynomax Super Turbo 17749 Exhaust Muffler Fits select: 1988-1993 CHEVROLET GMT-400, 1989-1993 GMC SIERRA

Featuring exclusive flow technology, DynoMax Super Turbo mufflers channel exhaust flow and reduce turbulence. Offered in a variety of styles and sizes for universal fit, fiberglass matting absorbs unwanted interior resonance for a mellow tone.

• PREMIUM ACOUSTIC CONTROL -- Fiberglass matting absorbs unwanted interior resonance while maintaining a mellow performance tone
• PRECISION DESIGN -- Exclusive flow director technology channels exhaust flow and reduces turbulence on most applications; dyno proven to flow up to 550 SCFM
• PREMIUM PERFORMANCE -- Large flow tubes improve exhaust flow and reduce backpressure
• ENGINEERED TO LAST -- Aluminized-steel construction reduces corrosion and internal drainage system reduces moisture collection
• FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding)
• SPECS -- Available in a variety of body diameters; 1.75-in. to 3-in. inlet/outlet configurations; see product specifications for more information
• COMPLETE PERFORMANCE UPGRADE -- Use premium DynoMax accessories when installing DynoMax Super Turbo mufflers for a complete exhaust system upgrade
• BUY WITH CONFIDENCE -- Comes with DynoMax's limited lifetime warranty and exclusive 90-Day Performance & Sound Guarantee

Additional Features

• Finish:Aluminized
• Muffler Type:Combination

Fits Select:
1990-1993 CHEVROLET GMT-400 6 Cyl 4.3 L
1988-1989 CHEVROLET GMT-400 8 Cyl 5 L
1990-1993 GMC SIERRA 6 Cyl 4.3 L
1988 GMC GMT-400 8 Cyl 5 L
1989 GMC SIERRA 8 Cyl 5 L
and more - add your vehicle to our fit widget to check

Vehicle fitment type	Universal
Vehicle type	Truck
Muffler type	Turbo Mufflers
Brand	DynoMax
Material	Alloy Steel
Inlet diameter	1.75 in
Outlet diameter	3 in
Finish	Aluminized
Weight	18 lb
Muffler length	4.02 in
Muffler width	9.25 in
Has written warranty	No
Count	1
Automotive parts division	Direct Replacement