Mel's MFG (Formerly known as Flo~Pro) specializes in high-flowing and top-quality Performance Exhaust systems that look just as good as they sound.
Click here to learn more about Flo-Pros transition to Mel's MFG
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Mel's MFG (Formerly known as Flo~Pro) specializes in high-flowing and top-quality Performance Exhaust systems that look just as good as they sound.
Click here to learn more about Flo-Pros transition to Mel's MFG
Mel's Manufacturing
Universal Twister Muffler (51299 / 51600)
Mel's Manufacturing
Universal Twister Muffler (LJ400 /LJ500)
Mel's Manufacturing
2013-2018 Cummins 4" Downpipe Back Exhaust System w/Muffler (411018 / 412018)
Mel's Manufacturing
Universal Stainless 8" Round Fiberglass Packed Muffler (7185 / 7195 / 7186 / 7196 / M12772 / M12773)
Mel's Manufacturing
2011-2019 Powerstroke 5" Downpipe Back Exhaust - No Muffler (521007 / 522007)
Mel's Manufacturing
2013-2018 Cummins 5" Turboback Exhaust System - No Muffler (511005 / 512005)
Mel's Manufacturing
2004.5-2010 Duramax 3" Downpipe (A00101)
Mel's Manufacturing
2016-2022 2.8L Duramax 3" Turboback Exhaust System w/ Muffler (331001 / 332001)
Mel's Manufacturing
Universal 4" Stainless Twister Muffler (71299)
Mel's Manufacturing
2011-2019 Powerstroke 4" Downpipe Back Single Exhaust w/ Muffler (421012 / 422012)
Mel's Manufacturing
2008-2010 Powerstroke 6.4L EGR & Cooler Delete (621004)
Mel's Manufacturing
2011-2015 Duramax 4" Downpipe Back Exhaust System w / Muffler (431016 / 432016)
Mel's Manufacturing
Universal 5" Stainless Twister Muffler (71600)
Mel's Manufacturing
2003-2007 Powerstroke EGR & Cooler Delete w/ Up-Pipe (621003)
Mel's Manufacturing
2017-2019 Duramax 5" Downpipe Back Exhaust - No Muffler (531010 / 532010)
Mel's Manufacturing
2010-2012 Cummins 4" Turbo Back Exhaust System w/ Muffler (411015 / 412015)
Mel's Manufacturing
2019+ Cummins 4" Flexpipe Back Exhaust System w/ Muffler (411028)
Mel's Manufacturing
2001-2004.5 Duramax 5" Downpipe Back Exhaust - No Muffler (531111 / 532115)
Mel's Manufacturing
2013-2018 Cummins 5" Turbo Back Exhaust System w/ Muffler (511006 / 512006)
Mel's Manufacturing
2001-2007 Duramax 4" Downpipe Back Exhaust - No Muffler (431112)
Mel's Manufacturing
2010-2021 Cummins EGR & Cooler Delete Kit (611003)
Mel's Manufacturing
2020-2022 Powerstroke 4" CAT & DPF Race Pipe (421027 / 421028)
Mel's Manufacturing
2001-2007 Duramax 4" Downpipe Back Exhaust System w / Muffler (431107 / 432107)
Mel's Manufacturing
2007.5-2010 Duramax 4" Downpipe Back Exhaust System w/ Muffler (431010 / 432010)
Mel's Manufacturing
2004.5-2007 Cummins 4" Turbo Back Exhaust System w/ Muffler (411026 / 412026)
Mel's Manufacturing
2011-2019 Powerstroke 4" Downpipe Back Race Exhaust - No Muffler (421013 / 422013)
Mel's Manufacturing
2013-2018 Cummins C&C EGR & Cooler Delete (611002)
Mel's Manufacturing
2019+ Cummins 5" Flexpipe Back Exhaust System w/ Muffler (511017)
Mel's Manufacturing
Universal Aluminized 8" Round Fiberglass Packed Muffler (618X / 619X)
Mel's Manufacturing
2003-2007 Powerstroke EGR & Cooler Delete (621009)
Mel's Manufacturing
2017-2019 Duramax 4" Downpipe Back Exhaust w/ Muffler (431021 / 432021)
Mel's Manufacturing
2004.5-2007 Cummins 4" Turbo Back Exhaust - No Muffler (411027 & 412027)
Mel's Manufacturing
2007.5-2010 Duramax 4" Downpipe Back Exhaust - No Muffler (431011 / 432011)
Mel's Manufacturing
2007.5-2009 Cummins 4" Turbo Back Exhaust w / Muffler (411013 / 412013)
Mel's Manufacturing
2015.5-2016 Duramax 4" Downpipe Back Exhaust w / Muffler (431018 / 432018)
Mel's Manufacturing
2007.5-2009 Cummins EGR & Cooler Delete (FLO-301001)
Mel's Manufacturing
2011-2015 Duramax 5" Downpipe Back Exhaust - No Muffler (521009/531006)
Mel's Manufacturing
2013-2018 Cummins 4" Downpipe Back Exhaust System - No Muffler (412017)
Mel's Manufacturing
2014-2019 ECODIESEL EGR Block-Off Kit (651001)
Mel's Manufacturing
2010-2012 Cummins 4" Turbo Back Race Exhaust System - No Muffler (411016 / 412016)
Mel's Manufacturing
1989-1993 Cummins 4" Turbo Back Exhaust - No Muffler (412120)
Mel's Manufacturing
2007.5-2012 Cummins 4" CAT and DPF Delete (411022 / 412022)
Mel's Manufacturing
2011-2019 Powerstroke 5" Down Pipe Back Exhaust System w / Muffler (521006 / 522006)
Mel's Manufacturing
2011-2015 Duramax 4" Cat & DPF Delete (431015 / 432015)
Mel's Manufacturing
2010-2012 Cummins 5" Turbo Back Race Exhaust System - No Muffler (511004 / 512004)
Mel's Manufacturing
2014-2018 Jeep EcoDiesel 3" CAT & DPF Race Pipe (361002 / 362002)
Mel's Manufacturing
2004.5-2011 Cummins 4" Turbo Downpipe (FLO-20811)
Mel's Manufacturing
2007.5-2010 Duramax 5" Downpipe Back Exhaust - No Muffler (531002 / 532002)
Mel's Manufacturing
1994-2000 GM 6.5L 4" Turbo Back Exhaust - No Muffler (431113)
Mel's Manufacturing
1994-1997.5 Powerstroke 4" Turbo Back Exhaust - No Muffler (421116 / 422125)