Mufflers

S&S Cycle #551-0334 - Shell, Top, Muffler, Straight End, 3.25", Black, 2008-'17 Fat Bob,'10-'17 Dyna, Wide Glide,'17 Low Rider S

S&S Cycle #551-0431 - Muffler, Grand National, Black, 2018 M8 Fat Bob

Muffler, Grand National 4" Black for Softail Fat Bob FitmentYear(s)MakeModel CodeModel2018Harley-Davidson—M8 Fat Bob

S&S Cycle #551-0434 - Muffler, Assembly, Slash Cut, Horizontal Bracket, Black, M8 Softail except Heritage, and Deluxe

Muffler, Top, Slash Cut 3.25" Black for Softail

S&S Cycle #551-0437 - Muffler, Assembly, Slash Cut, Horizontal Bracket, Chrome, M8 Softail except Heritage, and Deluxe

Muffler, Top, Slash Cut 3.25" Chrome for Softail

S&S Cycle #551-0440 - Muffler, Assembly, Grand National, Horizontal Bracket, Black, M8 Softail except Heritage, and Deluxe

Muffler, Top, Grand National 3.25" Black for Softail

S&S Cycle #551-0443 - Muffler, Assembly, Grand National, Horizontal Bracket, Outside Process, Chrome, M8 Softail except Heritage, and Deluxe

Muffler, Top, Grand National 3.25" Chrome for Softail

S&S Cycle #551-0446 - Muffler, Assembly, Slash Cut, Vertical Up Bracket, Black, M8 Softail except Heritage, and Deluxe

Muffler, Bottom, Slash Cut 3.25" Black for Softail

S&S Cycle #551-0449 - Muffler, Assembly, Slash Cut, Vertical Up Bracket, Chrome, M8 Softail except Heritage, and Deluxe

Muffler, Bottom, Slash Cut 3.25" Chrome for Softail

S&S Cycle #551-0452 - Muffler, Assembly, Grand National, Vertical Up Bracket, Black, M8 Softail except Heritage, and Deluxe

Muffler, Bottom, Grand National 3.25" Black for Softail

S&S Cycle #551-0455 - Muffler, Assembly, Grand National, Vertical Up Bracket, Chrome, M8 Softail except Heritage, and Deluxe

Muffler, Bottom, Grand National 3.25" Chrome for Softail

S&S Cycle #551-0458 - Muffler, Assembly, Slash Cut, Vertical Down Bracket, Chrome, M8 Heritage & Deluxe

Muffler, Slash Cut 3.25" Chrome for Softail Deluxe

S&S Cycle #551-0461 - Muffler, Assembly, Grand National, Vertical Down Bracket, Chrome, M8 Heritage & Deluxe

Muffler, Grand National 3.25" Chrome for Softail Deluxe

S&S Cycle #551-0623B - Muffler, Assembly, 50 State, Slash Cut, Horizontal Bracket, Black, 2018-'23 M8 Softail, except Heritage and Deluxe

S&S Cycle #551-0624B - Muffler, Assembly, 50 State, Slash Cut, Vertical Up Bracket, Black, 2018-'23 M8 Softail, except Heritage and Deluxe

S&S Cycle #551-0627B - Muffler, Assembly, 50 State, Slash Cut, Horizontal Bracket, Chrome, 2018-'23 M8 Softail, except Heritage and Deluxe