Flowmaster 3 IN(O)/OUT(C) Super 40 Series Muffler

The Super 40® features Flowmaster's Delta Flow® technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow&reg technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Super 40 - 3.00 Offset In / 3.00 Center Out - Aggressive Sound Universal Muffler - Some adaptation may be required.

• Excellent performance on high horsepower vehicles
• Deep Aggressive Sound Exhaust Note
• Race proven Delta Flow technology
• Noticeable interior resonance

The Flowmaster Super 40 Series Muffler delivers a deep, aggressive exhaust tone with performance-focused Flowmaster Delta Flow technology. Its larger case profile combines the powerful sound associated with the Original 40 Series with improved exhaust control and reduced interior resonance compared with traditional designs. This universal muffler features a 3-inch offset inlet and 3-inch center outlet, making it a versatile choice for custom exhaust applications where adaptation may be required.
Constructed from durable 16-gauge aluminized steel, the Flowmaster Super 40 Series Muffler is fully MIG welded for dependable strength and long-term service. It is engineered to support excellent performance on high-horsepower vehicles while providing a noticeable, aggressive exhaust note. The race-proven Delta Flow design helps manage exhaust flow and sound characteristics for drivers seeking a strong performance presence without sacrificing practical street usability.
The Flowmaster part number 953046 is a universal automotive muffler intended for custom installation. Some cutting, fabrication, or additional exhaust components may be necessary to match the vehicle’s existing exhaust configuration. It fits a range of applications, including select Ford Expedition, Ford F-250 Super Duty, and Lincoln Navigator models, subject to the vehicle’s exhaust layout and required modifications. Verify inlet and outlet positioning, pipe routing, and application requirements before installation.

Features:

• Flowmaster Delta Flow technology helps balance performance, sound, and interior resonance

• Deep, aggressive exhaust note for a strong performance sound

• 3-inch offset inlet and 3-inch center outlet configuration

• 16-gauge aluminized steel construction for corrosion resistance and durability

• Fully MIG welded case for added structural strength

• Designed for excellent performance on high-horsepower vehicles

• Universal muffler design; some adaptation may be required

Fitment:
Chevrolet Blazer Custom Deluxe 1987
Chevrolet Blazer Scottsdale 1988
Chevrolet Blazer Scottsdale 1989
Chevrolet Blazer Scottsdale 1990
Chevrolet Blazer Scottsdale 1991
Chevrolet Blazer Silverado 1987
Chevrolet Blazer Silverado 1988
Chevrolet Blazer Silverado 1989
Chevrolet Blazer Silverado 1990
Chevrolet Blazer Silverado 1991
Chevrolet R10 Suburban Custom Deluxe 1987
Chevrolet R10 Suburban Scottsdale 1987
Chevrolet R10 Suburban Scottsdale 1988
Chevrolet R10 Suburban Silverado 1987
Chevrolet R10 Suburban Silverado 1988
Chevrolet R1500 Suburban Scottsdale 1989
Chevrolet R1500 Suburban Scottsdale 1990
Chevrolet R1500 Suburban Silverado 1989
Chevrolet R1500 Suburban Silverado 1990
Chevrolet R20 Suburban Custom Deluxe 1987
Chevrolet R20 Suburban Scottsdale 1987
Chevrolet R20 Suburban Scottsdale 1988
Chevrolet R20 Suburban Silverado 1987
Chevrolet R20 Suburban Silverado 1988
Chevrolet R2500 Suburban Scottsdale 1989
Chevrolet R2500 Suburban Scottsdale 1990
Chevrolet R2500 Suburban Silverado 1989
Chevrolet R2500 Suburban Silverado 1990
Chevrolet Silverado 1500 Custom 2016
Chevrolet Silverado 1500 Custom 2017
Chevrolet Silverado 1500 Custom 2018
Chevrolet Silverado 1500 High Country 2015
Chevrolet Silverado 1500 High Country 2016
Chevrolet Silverado 1500 High Country 2017
Chevrolet Silverado 1500 High Country 2018
Chevrolet Silverado 1500 LS 2015
Chevrolet Silverado 1500 LS 2016
Chevrolet Silverado 1500 LS 2017
Chevrolet Silverado 1500 LS 2018
Chevrolet Silverado 1500 LT 2015
Chevrolet Silverado 1500 LT 2016
Chevrolet Silverado 1500 LT 2017
Chevrolet Silverado 1500 LT 2018
Chevrolet Silverado 1500 LTZ 2015
Chevrolet Silverado 1500 LTZ 2016
Chevrolet Silverado 1500 LTZ 2017
Chevrolet Silverado 1500 LTZ 2018
Chevrolet Silverado 1500 SSV 2015
Chevrolet Silverado 1500 SSV 2016
Chevrolet Silverado 1500 SSV 2017
Chevrolet Silverado 1500 SSV 2018
Chevrolet Silverado 1500 WT 2015
Chevrolet Silverado 1500 WT 2016
Chevrolet Silverado 1500 WT 2017
Chevrolet Silverado 1500 WT 2018
Chevrolet V10 Suburban Custom Deluxe 1987
Chevrolet V10 Suburban Scottsdale 1987
Chevrolet V10 Suburban Scottsdale 1988
Chevrolet V10 Suburban Silverado 1987
Chevrolet V10 Suburban Silverado 1988
Dodge Challenger SRT8 2012
Dodge Challenger SRT8 2013
Dodge Charger SRT8 2012
Dodge Charger SRT8 2013
Dodge Ram 1500 Laramie 2003
Dodge Ram 1500 SLT 2003
Dodge Ram 1500 ST 2003
Dodge Ram 2500 Base 1994
Dodge Ram 2500 Base 1995
Dodge Ram 2500 Base 1996
Dodge Ram 3500 Base 1994
Dodge Ram 3500 Base 1995
Dodge Ram 3500 Base 1996
Ford Expedition Eddie Bauer 2003
Ford Expedition Eddie Bauer 2004
Ford Expedition Eddie Bauer 2005
Ford Expedition Eddie Bauer 2006
Ford Expedition Eddie Bauer 2007
Ford Expedition Eddie Bauer 2008
Ford Expedition Eddie Bauer 2009
Ford Expedition Eddie Bauer 2010
Ford Expedition EL Eddie Bauer 2007
Ford Expedition EL Eddie Bauer 2008
Ford Expedition EL Eddie Bauer 2009
Ford Expedition EL Eddie Bauer 2010
Ford Expedition EL King Ranch 2008
Ford Expedition EL King Ranch 2009
Ford Expedition EL King Ranch 2010
Ford Expedition EL Limited 2007
Ford Expedition EL Limited 2008
Ford Expedition EL Limited 2009
Ford Expedition EL Limited 2010
Ford Expedition EL XLT 2007
Ford Expedition EL XLT 2008
Ford Expedition EL XLT 2009
Ford Expedition EL XLT 2010
Ford Expedition Funkmaster Flex Edition 2008
Ford Expedition King Ranch 2006
Ford Expedition King Ranch 2008
Ford Expedition King Ranch 2009
Ford Expedition King Ranch 2010
Ford Expedition Limited 2005
Ford Expedition Limited 2006
Ford Expedition Limited 2007
Ford Expedition Limited 2008
Ford Expedition Limited 2009
Ford Expedition Limited 2010
Ford Expedition NBX 2004
Ford Expedition XLS 2005
Ford Expedition XLS 2006
Ford Expedition XLT 2003
Ford Expedition XLT 2004
Ford Expedition XLT 2005
Ford Expedition XLT 2006
Ford Expedition XLT 2007
Ford Expedition XLT 2008
Ford Expedition XLT 2009
Ford Expedition XLT 2010
Ford Expedition XLT Sport 2004
Ford Expedition XLT Sport 2006
Ford F-250 Super Duty Lariat 1999
Ford F-250 Super Duty XL 1999
Ford F-250 Super Duty XLT 1999
GMC Jimmy Base 1987
GMC Jimmy Base 1988
GMC Jimmy Base 1989
GMC Jimmy Base 1990
GMC Jimmy Base 1991
GMC Jimmy Sierra Classic 1987
GMC Jimmy Sierra Classic 1988
GMC Jimmy Sierra Classic 1989
GMC Jimmy Sierra Classic 1990
GMC Sierra 1500 Base 2015
GMC Sierra 1500 Base 2016
GMC Sierra 1500 Base 2017
GMC Sierra 1500 Base 2018
GMC Sierra 1500 Denali 2015
GMC Sierra 1500 Denali 2016
GMC Sierra 1500 Denali 2017
GMC Sierra 1500 Denali 2018
GMC Sierra 1500 SLE 2015
GMC Sierra 1500 SLE 2016
GMC Sierra 1500 SLE 2017
GMC Sierra 1500 SLE 2018
GMC Sierra 1500 SLT 2015
GMC Sierra 1500 SLT 2016
GMC Sierra 1500 SLT 2017
GMC Sierra 1500 SLT 2018
Lincoln Navigator Base 2003
Lincoln Navigator Base 2004
Lincoln Navigator Base 2005
Lincoln Navigator Base 2008
Lincoln Navigator Base 2009
Lincoln Navigator Base 2010
Lincoln Navigator L 2008
Lincoln Navigator L 2009
Lincoln Navigator L 2010
Lincoln Navigator L Luxury 2007
Lincoln Navigator L Ultimate 2007
Lincoln Navigator Luxury 2006
Lincoln Navigator Luxury 2007
Lincoln Navigator Ultimate 2006
Lincoln Navigator Ultimate 2007