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
2007.5-2010 Duramax 5" Downpipe Back Exhaust System w/ Muffler (531001 / 532001)
Part Number: 531001Mft Part Number: 634-531001Regular priceFrom $1,120.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 5" Turbo Back Exhaust System - No Muffler (521004 / 522004)
Part Number: 521004Mft Part Number: 638NB-521004Regular priceFrom $1,110.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 6.4L 4" Downpipe Kit (421011 / 422011)
Part Number: 421011Mft Part Number: 846-421011Regular priceFrom $440.00 CADUnit price
Mel's Manufacturing
2019+ Cummins 4" CAT & DPF Delete Pipe - No Muffler (411030 / 412030)
Part Number: 411030Mft Part Number: 893-411030Regular priceFrom $440.00 CADUnit price
Mel's Manufacturing
2011-2019 Powerstroke 5" DPF Back Single Exhaust No Muffler (521102)
Part Number: 521102Mft Part Number: 640-521102Regular price $1,200.00 CADUnit price
Mel's Manufacturing
2007.5-2009 Cummins 5" Turbo Back Exhaust w/ Muffler (511001 / 512001)
Part Number: 511001Mft Part Number: 1636-511001Regular priceFrom $1,050.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 4" CAT & DPF Race Pipe (421027 / 421028)
Part Number: 421027Mft Part Number: 20342NM-421027Regular priceFrom $470.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke EGR Cooler and Valve Delete Kit w/ Intake Manifold (700003)
Part Number: 700003Regular price $280.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 5" SS Downpipe Back Exhaust w/ Muffler (522034)
Part Number: 522034Mft Part Number: SS20352-522034Regular price $1,410.00 CADUnit price
Mel's Manufacturing
2004.5-2007 Cummins 4" Cat Back Exhaust w/ Muffler (411109)
Part Number: 411109Mft Part Number: 818-411109Regular price $630.00 CADUnit price
Mel's Manufacturing
2015.5-2016 Duramax 4" CAT & DPF Delete w/ Muffler (431030)
Part Number: 431030Mft Part Number: 872M-431030Regular price $700.00 CADUnit price
Mel's Manufacturing
2018-2020 F-150 Powerstroke 4" Turboback Exhaust System w/ Muffler (421018)
Part Number: 421018Mft Part Number: 889-421018Regular price $830.00 CADUnit price
Mel's Manufacturing
2011-2012 Cummins C&C 4" DPF Delete Pipe (411001 / 411002)
Part Number: 411001Mft Part Number: 21122-411001Regular priceFrom $510.00 CADUnit price
Mel's Manufacturing
2011-2018 Cummins C&C 5" Turbo Back Race Exhaust - No Muffler (511010)
Part Number: 511010Mft Part Number: 654-511010Regular price $1,160.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 4" Downpipe Back Race Exhaust - No Muffler (421007 / 422007)
Part Number: 421007Mft Part Number: 833NB-421007Regular priceFrom $780.00 CADUnit price
Mel's Manufacturing
2020-2022 3.0L Duramax EGR Cooler Upgrade Kit (800012)
Part Number: 800012Regular price $340.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 4" Downpipe Back Exhaust No Muffler (421031)
Part Number: 421031Mft Part Number: 20343NM-421031Regular price $790.00 CADUnit price
Mel's Manufacturing
2003-2007 Powerstroke Turbo Y-Pipe (30400)
Part Number: 30400Mft Part Number: 30400-621012Regular price $444.96 CADUnit price
Mel's Manufacturing
1994-2002 Cummins - 5" Turbo Back Exhaust w / Muffler (511100 / 512114)
Part Number: 511100Mft Part Number: 602-511100Regular priceFrom $1,020.00 CADUnit price
Mel's Manufacturing
2019-2023 Ram EcoDiesel 3" Race Pipe (351002)
Part Number: 351002Regular price $400.00 CADUnit price
Mel's Manufacturing
2011-2015 Duramax 4" DPF Delete Pipe (431002)
Part Number: 431002Regular price $450.00 CADUnit price
Mel's Manufacturing
2007.5-2009 Cummins 5" DPF Back Exhaust No Muffler (511102)
Part Number: 511102Mft Part Number: 629-511102Regular price $520.00 CADUnit price
Mel's Manufacturing
2011-2019 Powerstroke 5" Downpipe Back Dual Exhaust - No Muffler (521008)
Part Number: 521008Mft Part Number: 767-521008Regular price $1,520.00 CADUnit price
Mel's Manufacturing
2003-2004.5 Cummins 5" Turbo Back Exhaust System w / Muffler (511019 / 512016)
Part Number: 511019Mft Part Number: 605-511019Regular priceFrom $1,020.00 CADUnit price
Mel's Manufacturing
2013-2018 Cummins 4" Downpipe Back Exhaust System w/Muffler (411018 / 412018)
Part Number: 411018Mft Part Number: 1874-411018Regular priceFrom $790.00 CADUnit price
Mel's Manufacturing
2021-2023 Ecodiesel Gladiator 3" Downpipe Back Exhaust w/ Muffler (361003)
Part Number: 361003Regular price $660.00 CADUnit price
Mel's Manufacturing
2017-2019 Duramax 5" Downpipe-Back Dual Exhaust (531015)
Part Number: 531015Mft Part Number: 780-531106Regular price $1,440.00 CADUnit price
Mel's Manufacturing
2007.5-2010 Duramax EC-LB 4" DPF Delete Pipe (431006)
Part Number: 431006Mft Part Number: 18243-431006Regular price $510.00 CADUnit price
Mel's Manufacturing
2003.5-2007 Powerstroke 4" Cat Back Exhaust System w/ Muffler (421108)
Part Number: 421108Mft Part Number: 825-421108Regular price $580.00 CADUnit price
Mel's Manufacturing
2014-2019 Ram 1500 Ecodiesel 3" CAT & DPF Delete Pipe (351001 / 352001)
Part Number: 351001Mft Part Number: 863NB-351001Regular priceFrom $400.00 CADUnit price
Mel's Manufacturing
2019+ Cummins 5" Flexpipe Back Exhaust System No Muffler SS (512015)
Part Number: 512015Mft Part Number: SS690NM-512015Regular price $1,400.00 CADUnit price
Mel's Manufacturing
2003.5-2007 Powerstroke 5" Turbo Back Exhaust System w / Muffler (521010 / 522008)
Part Number: 521010Mft Part Number: 614-521010Regular priceFrom $1,020.00 CADUnit price
Mel's Manufacturing
2001-2007 Duramax 4" Downpipe Back Dual Exhaust System w/ Muffler (431102)
Part Number: 431102Regular price $1,160.00 CADUnit price
Mel's Manufacturing
2011-2019 Powerstroke 4" Downpipe Back Single Exhaust w/ Muffler (421012 / 422012)
Part Number: 421012Mft Part Number: 852NB-421012Regular priceFrom $830.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 4" SS Downpipe Back Exhaust w/ Muffler (422030)
Part Number: 422030Mft Part Number: SS20343-422030Regular price $1,120.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 4" Turbo Back Exhaust w / Muffler (421010 / 422010)
Part Number: 421010Mft Part Number: 843NB-421010Regular priceFrom $1,000.00 CADUnit price
Mel's Manufacturing
2013-2024 Cummins EGR Cooler Upgrade Kit Cab & Chassis (900005-CC)
Part Number: 900005-CCRegular price $220.00 CADUnit price
Mel's Manufacturing
2020-2025 Duramax 5" Downpipe Back Exhaust w/Muffler (531016)
Part Number: 531016Mft Part Number: 20151-531016Regular price $1,130.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke SS Cold Side Intercooler Pipe (IC300)
Part Number: IC300Mft Part Number: IC300-621014Regular price $191.83 CADUnit price
Mel's Manufacturing
2007.5-2012 Cummins DPF Delete Pipe (411011)
Part Number: 411011Mft Part Number: 27113NB-411011Regular price $320.00 CADUnit price
Mel's Manufacturing
2011-2012 Cummins C&C Over 60" SCR Race Pipe (411004)
Part Number: 411004Mft Part Number: 21125-411004Regular price $530.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 4" Turbo Back Exhaust - No Muffler (421009 / 422009)
Part Number: 421009Mft Part Number: 838NB-421009Regular priceFrom $940.00 CADUnit price
Mel's Manufacturing
2007.5-2010 Duramax 5" DPF Back Exhaust System - No Muffler (531101)
Part Number: 531101Mft Part Number: 628-531101Regular price $560.00 CADUnit price
Mel's Manufacturing
2011-2015 Duramax 5" Downpipe Back Dual Exhaust - No Muffler (531013)
Part Number: 531013Mft Part Number: 764-531013Regular price $1,520.00 CADUnit price
Mel's Manufacturing
2017-2019 Duramax 4" Downpipe Back Exhaust w/ Muffler (431021 / 432021)
Part Number: 431021Mft Part Number: 880-431021Regular priceFrom $1,020.00 CADUnit price
Mel's Manufacturing
Universal Black Powder Coated Exhaust Tip 6" Outlet (506015RACBX)
Part Number: 506015RACBXRegular price $87.83 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke Intake Elbow (611009)
Part Number: 611009Mft Part Number: IE300-611009Regular price $110.00 CADUnit price
Mel's Manufacturing
1999-2003 Powerstroke 5" Turbo Back Exhaust - No Muffler (521114)
Part Number: 521114Mft Part Number: 631NM-521114Regular price $1,100.00 CADUnit price
Mel's Manufacturing
2011-2015 Duramax 4" Cat Back Exhaust System w / Muffler (431013 / 432013)
Part Number: 431013Mft Part Number: 860-431013Regular priceFrom $850.00 CADUnit price
Mel's Manufacturing
2020-2023 3.0L Duramax 3" Delete Pipe - No Muffler (431032)
Part Number: 431032Mft Part Number: 431032-431032Regular price $550.00 CADUnit price
