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
2007.5-2009 Cummins 4" Turbo Back Exhaust - No Muffler (411014 / 412014)
Part Number: 411014Mft Part Number: 1839-411014Regular priceFrom $690.00 CADUnit price
Mel's Manufacturing
2008-2009 Cummins 5" Turboback Exhaust - No Muffler (511002 / 512002)
Part Number: 511002Mft Part Number: 1639-511002Regular priceFrom $1,000.00 CADUnit price
Mel's Manufacturing
1994-1997 Powerstroke 2-Piece Downpipe (422129)
Part Number: 422129Regular price $320.00 CADUnit price
Mel's Manufacturing
2003-2004 Cummins 5" Turbo Back Exhaust - No Muffler (511020 / 512017)
Part Number: 511020Mft Part Number: 605NM-511020Regular priceFrom $890.00 CADUnit price
Mel's Manufacturing
1994-2002 Cummins 5" Turbo Back Exhaust - No Muffler (511111 / 512115)
Part Number: 511111Mft Part Number: 602NM-511111Regular priceFrom $890.00 CADUnit price
Mel's Manufacturing
1994-2002 Cummins 4" Turbo Back Exhaust - No Muffler (411112 / 412118)
Part Number: 411112Mft Part Number: 802NM-411112Regular priceFrom $650.00 CADUnit price
Mel's Manufacturing
2001-2007 Duramax 4" Downpipe (10111)
Part Number: 10111Regular price $177.94 CADUnit price
Mel's Manufacturing
2010-2012 Cummins 5" Turbo Back Exhaust System w / Muffler (511003 / 512003)
Part Number: 511003Mft Part Number: 1648-511003Regular priceFrom $1,100.00 CADUnit price
Mel's Manufacturing
2018-2020 3.0L F-150 Powerstroke EGR & Cooler Race Kit (700008)
Part Number: 621011Mft Part Number: EGR30-621011Regular price $250.00 CADUnit price
Mel's Manufacturing
2003.5-2007 Powerstroke 5" Turbo Back Exhaust - No Muffler (521011 / 522009)
Part Number: 521011Mft Part Number: 614NM-521011Regular priceFrom $970.00 CADUnit price
Mel's Manufacturing
3" to 4" Bolt-On Rolled Angle Cut Exhaust Tip (6815RAB)
Part Number: 6815RABMft Part Number: 6815RAB-6815RABRegular price $35.82 CADUnit price
Mel's Manufacturing
2019+ Cummins 5" SS Flexpipe Back Exhaust System w/ Muffler (512014)
Part Number: 512014Mft Part Number: SS690-512014Regular price $1,430.00 CADUnit price
Mel's Manufacturing
2017-2019 Duramax 5" Downpipe Back Exhaust w / Muffler (531009 / 532009)
Part Number: 531009Mft Part Number: 680-531009Regular priceFrom $1,070.00 CADUnit price
Mel's Manufacturing
1994-2000 GM 6.5L 4" Turbo Back Exhaust w/ Muffler (431109 / 432120)
Part Number: 431109Mft Part Number: 822-431109Regular priceFrom $880.00 CADUnit price
Mel's Manufacturing
2017-2022 Duramax 3.5" Downpipe w/ 4 Bolt Flange (A40101)
Part Number: A40101Regular price $430.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 4" Downpipe Back Exhaust w/ Muffler (421030)
Part Number: 421030Mft Part Number: 20343-421030Regular price $890.00 CADUnit price
Mel's Manufacturing
2011-2019 Powerstroke C&C 4" Downpipe Back Exhaust w/ Muffler (421016 / 422016)
Part Number: 421016Mft Part Number: 877-421016Regular priceFrom $970.00 CADUnit price
Mel's Manufacturing
2001-2007 Duramax 5" Downpipe Back Exhaust w / Muffler (531100 / 532100)
Part Number: 531100Mft Part Number: 601-531100Regular priceFrom $1,020.00 CADUnit price
Mel's Manufacturing
2011-2015 Duramax 5" Downpipe Back Exhaust w/ Muffler (531005)
Part Number: 531005Mft Part Number: 664-531005Regular price $1,200.00 CADUnit price
Mel's Manufacturing
2003-2004 Cummins 4" Turbo Back Exhaust System w / Muffler (411032 / 412032)
Part Number: 411032Mft Part Number: 805-411032Regular priceFrom $740.00 CADUnit price
Mel's Manufacturing
2010-2018 Mercedes Sprinter 3" CAT & DPF Race Pipe (371001)
Part Number: 371001Mft Part Number: 18431-371001Regular price $580.00 CADUnit price
Mel's Manufacturing
2003.5-2007 Powerstroke 4" Turbo Back Exhaust System w / Muffler (421024 / 422020)
Part Number: 421024Mft Part Number: 824-421024Regular priceFrom $810.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 5" Down Pipe Back Exhaust - No Muffler (521002 / 522002)
Part Number: 521002Mft Part Number: 633NB-521002Regular priceFrom $850.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 5" Downpipe Back Exhaust - No Muffler (521035)
Part Number: 521035Mft Part Number: 20352NM-521035Regular price $960.00 CADUnit price
Mel's Manufacturing
2004.5-2007 Cummins 5" Turbo Back Exhaust w / Muffler (511014 / 512012)
Part Number: 511014Mft Part Number: 619-511014Regular priceFrom $1,140.00 CADUnit price
Mel's Manufacturing
2011-2015 Duramax 4" Cat & DPF Delete w/ Muffler (431029)
Part Number: 431029Mft Part Number: 862M-431029Regular price $650.00 CADUnit price
Mel's Manufacturing
2019 Powerstroke 4" DPF & CAT Delete Pipe (421026 / 422022)
Part Number: 421026Mft Part Number: 859NB-421026Regular priceFrom $440.00 CADUnit price
Mel's Manufacturing
2008-2010 Powerstroke 4" Downpipe Back Exhaust w/ Muffler (421006 / 422006)
Part Number: 421006Mft Part Number: 832NB-421006Regular priceFrom $890.00 CADUnit price
Mel's Manufacturing
1989-1993 Cummins 4" Turbo Back Exhaust w/ Muffler (411110 / 412119)
Part Number: 411110Mft Part Number: 847-411110Regular priceFrom $880.00 CADUnit price
Mel's Manufacturing
2016-2019 Nissan Cummins 4" Downpipe Back Exhaust w/ Muffler (441001 / 442001)
Part Number: 441001Mft Part Number: 878-441001Regular priceFrom $970.00 CADUnit price
Mel's Manufacturing
1994-1997.5 Powerstroke 4" Turbo Back Exhaust System w / Muffler (421107 / 422124)
Part Number: 421107Mft Part Number: 821-421107Regular priceFrom $860.00 CADUnit price
Mel's Manufacturing
2019 Powerstroke 4" DPF & CAT Delete Pipe w/ Muffler (421036)
Part Number: 421036Mft Part Number: 859M-421036Regular price $570.00 CADUnit price
Mel's Manufacturing
2007.5-2012 Cummins 4" CAT and DPF Delete w/ Muffler (411035)
Part Number: 411035Mft Part Number: 835M-411035Regular price $530.00 CADUnit price
Mel's Manufacturing
2007.5-2010 Duramax 4" CAT Delete Pipe (431026)
Part Number: 431026Regular price $220.00 CADUnit price
Mel's Manufacturing
2013-2024 Cummins C&C 4" DPF Race Pipe (411037 / 411033)
Part Number: 411037Regular priceFrom $580.00 CADUnit price
Mel's Manufacturing
2020-2025 Duramax 4" Downpipe Back Exhaust - No Muffler (431028 / 432028)
Part Number: 431028Mft Part Number: 20141NM-431028Regular priceFrom $960.00 CADUnit price
Mel's Manufacturing
2018-2020 F-150 Powerstroke 3.5" CAT & DPF Race Pipes w/ 3" Downpipe (321001)
Part Number: 321001Mft Part Number: 888-321001Regular price $440.00 CADUnit price
Mel's Manufacturing
2015.5-2016 Duramax 5" Downpipe Back Exhaust System w/ Muffler (531007 / 532007)
Part Number: 531007Mft Part Number: 671-531007Regular priceFrom $1,110.00 CADUnit price
Mel's Manufacturing
1999-2002 Powerstroke 4" Turbo Back Exhaust w / Muffler (421110 / 422127)
Part Number: 421110Mft Part Number: 831-421110Regular priceFrom $760.00 CADUnit price
Mel's Manufacturing
2011-2015 Duramax 4" Stainless DPF Delete Pipe w/ Adapter (432002)
Part Number: 432002Regular price $440.00 CADUnit price
Mel's Manufacturing
2020-2022 Powerstroke 4" SS CAT & DPF Race Pipe - No Muffler (422027)
Part Number: 422027Mft Part Number: SS20342NM-422027Regular price $580.00 CADUnit price
Mel's Manufacturing
2015.5-2016 Duramax 4" Downpipe Back Exhaust - No Muffler (431019)
Part Number: 431019Mft Part Number: 871NM-431019Regular price $960.00 CADUnit price
Mel's Manufacturing
Stainless Steel Lap Joint Exhaust Clamp (LJ400SS/LJ500SS)
Part Number: LJ400SSRegular priceFrom $17.42 CADUnit price
Mel's Manufacturing
2007.5-2010 Duramax CC-SB 4" DPF Delete Pipe (431003)
Part Number: 431003Mft Part Number: 18213-431003Regular price $510.00 CADUnit price
Mel's Manufacturing
2013-2018 Cummins 5" Turboback Dual Exhaust - No Muffler (511013)
Part Number: 511013Mft Part Number: 768-511013Regular price $1,520.00 CADUnit price
Mel's Manufacturing
Universal Round Body Twister Resonator (41XXX)
Part Number: 41244Mft Part Number: 41244-41244Regular priceFrom $97.91 CADUnit price
Mel's Manufacturing
2019+ Cummins 4" Flexpipe Back Exhaust System No Muffler (411029)
Part Number: 411029Mft Part Number: 890NM-411029Regular price $780.00 CADUnit price
Mel's Manufacturing
2011-2018 Cummins C&C 5" Turbo Back Exhaust w/ Muffler (511011 / 512011)
Part Number: 511011Mft Part Number: 655-511011Regular priceFrom $1,280.00 CADUnit price
Mel's Manufacturing
2011-2018 Powerstroke 4" Cat & DPF Delete Pipe w/ Muffler (421032)
Part Number: 421032Mft Part Number: 857M-421032Regular price $570.00 CADUnit price
Mel's Manufacturing
1999-2002 Powerstroke 4" Turbo Back Exhaust - No Muffler (421117 / 422128)
Part Number: 421117Mft Part Number: 831NM-421117Regular priceFrom $680.00 CADUnit price
