Skip to the content

Inquiries & Sales: 780-757-0221

Contact Us
Tuning Support Ticket
Tuning Instructions
Dealer Order
Dealer Application
Book Service
Returns
Warranty

Facebook
Instagram
TikTok

OCDiesel

Parts Tuning & Electronics Fluids Transmission Truck Care

Air Filters
Air Intakes
Filter Wraps

Coolant Hoses
Oil Coolers

EGR Deletes
EGR Valves
Harness Plugs

Engine Builds & Cylinder Heads

Engine Builds
Cylinder Heads
Valve Springs

Engine Components

Gaskets
Pistons
Camshafts
Bolts & Studs
Injectors
Bearings

Full Systems
Exhaust Tips
Up-Pipes
Downpipes
Exhaust Manifolds

Mudflaps
Exhaust Tips
Bumpers

Lift Pumps
Particulate Filters
Water Separator Filters
Fuel Tanks

Pillar Mounts & Gauges
Cummins Blend Doors

Steering & Suspension

Ball Joints
Shocks

Valve Spring Tools
Camshaft Tools

Turbochargers
Turbo Rebuild Kits

Dodge
Ford
GM
Nissan

Auto Agent 3
AutoCal V3
MPVI3
SCT X4
MM3 Touchscreen Tuner

Cummins
Duramax
Powerstroke

Oil Additives
Fuel Additives
Transmission Additives

Oils
Oil Filters
Oil Additives

Transmission Fluid

Automatic Transmission Fluid

Cummins
Duramax
Powerstroke

Torque Converters

Cummins
Duramax
Powerstroke

Transmission Pans

Cummins
Duramax
Powerstroke

Detailing Products

Protectants
Polishes
Waxes

Tonneau Covers (Coming Soon)

Looking for some deals?

Check out the OCDiesel Bargain Bin!

POWERSTROKE
CUMMINS
DURAMAX
1/2 TON
BRANDS
CUSTOM TUNING
MERCH
SALE ITEMS

Country/region

Canada (CAD $)
United States (USD $)

Country/region

Search for parts, tunes, accessories, and more!

Your cart

Your cart is empty

POWERSTROKE
CUMMINS
DURAMAX
1/2 TON
BRANDS
CUSTOM TUNING
MERCH
SALE ITEMS

Country/region

Canada (CAD $)
United States (USD $)

Country/region

Cross-border orders may be subject to tariffs and/or duties. Read our Import Policy here.

Mel's Manufacturing

Sort by:

211 Products

Filter products

Parts
Tuning & Electronics
Fluids
Transmission
Truck Care
- Detailing Products
- Tonneau Covers (Coming Soon)

Shop Canadian

Mel's Manufacturing

2016-2019 Nissan Cummins 5.0L 4" Downpipe Back Exhaust w/ Muffler (441001)

Regular price From $970.00 CAD
Shop Canadian

Mel's Manufacturing

2016-2019 Nissan Cummins 5.0L 5" Downpipe Back Exhaust No Muffler (541002)

Regular price From $1,050.00 CAD
Shop Canadian

Mel's Manufacturing

2016-2019 Nissan Cummins 5.0L 5" Downpipe Back Exhaust w/ Muffler (541001)

Regular price $1,100.00 CAD
Shop Canadian

Mel's Manufacturing

2016-2019 Nissan Cummins 5.0L 4" Race Pipe (441003)

Regular price $510.00 CAD
Shop Canadian

Mel's Manufacturing

2008-2010 Powerstroke 6.4L 5" Downpipe Back Exhaust w/ Muffler (521001)

Regular price From $1,050.00 CAD
Shop Canadian

Mel's Manufacturing

2008-2010 Powerstroke 6.4L 3.5" DPF Race Pipe (421001)

Regular price $320.00 CAD
Shop Canadian

Mel's Manufacturing

2008-2010 Powerstroke 6.4L C&C 4" Downpipe Back Exhaust (421015)

Regular price $910.00 CAD
Shop Canadian

Mel's Manufacturing

2003-2007 Powerstroke 6.0L 4" Turbo Back Exhaust 3.5" Downpipe w/ Muffler (521009)

Regular price $860.00 CAD
Shop Canadian

Mel's Manufacturing

2003-2007 Powerstroke 6.0L 4" Turbo Back Exhaust w/ Muffler (421024 / 422020)

Regular price From $810.00 CAD
Shop Canadian

Mel's Manufacturing

2003-2007 Powerstroke 6.0L 4" Turbo Back Exhaust w/ Muffler (421020)

Regular price $860.00 CAD
Shop Canadian

Mel's Manufacturing

2003-2007 Powerstroke 6.0L Aluminized 4" Cat Back Exhaust w/ Muffler (421108)

Regular price $580.00 CAD
Shop Canadian

Mel's Manufacturing

1999-2003 Powerstroke 7.3L 4" Turbo Back Exhaust Cab & Chassis w/ Muffler (421113)

Regular price $950.00 CAD
Shop Canadian

Mel's Manufacturing

1999-2003 Powerstroke 7.3L 5" Turbo Back Exhaust No Muffler (521114)

Regular price $1,020.00 CAD
Shop Canadian

Mel's Manufacturing

1999-2003 Powerstroke 7.3L 5" Turbo Back Exhaust w/ Muffler (521101)

Regular price $1,110.00 CAD
Shop Canadian

Mel's Manufacturing

1999-2003 Powerstroke 7.3L 4" Turbo Back Exhaust No Muffler (421117)

Regular price From $680.00 CAD
Shop Canadian

Mel's Manufacturing

1999-2003 Powerstroke 7.3L Stainless Steel 4" Turbo Back Single w/ Muffler (422127)

Regular price $880.00 CAD
Shop Canadian

Mel's Manufacturing

1999-2003 Powerstroke 7.3L 4" Turbo Back Exhaust w/ Muffler (421110)

Regular price From $760.00 CAD
Shop Canadian

Mel's Manufacturing

2010-2012 Cummins 6.7L 4" Stainless Steel Turbo Back Race Exhaust System No Muffler (FLO-SS1849)

Regular price $990.00 CAD
Shop Canadian

Mel's Manufacturing

2013-2018 Cummins 6.7L SCR 4" Race Pipe C&C Over 70" (21129)

Regular price $540.00 CAD
Shop Canadian

Mel's Manufacturing

2013-2018 Cummins 6.7L C&C 4" DPF Delete Pipe No Muffler (FLO-21126)

Regular price $460.00 CAD
Shop Canadian

Mel's Manufacturing

2019-2024 Cummins 6.7L 5" Flex Pipe Back Single No Muffler (511018 / 512015)

Regular price From $1,010.00 CAD
Shop Canadian

Mel's Manufacturing

2013-2018 Cummins 6.7L 4" Downpipe Back Single w/ Muffler (411018 / 412018)

Regular price From $790.00 CAD
Shop Canadian

Mel's Manufacturing

2010-2012 Cummins 6.7L 5" Turbo Back Single No Muffler (511004)

Regular price $1,000.00 CAD
Shop Canadian

Mel's Manufacturing

2007-2012 Cummins 6.7L 4" Cat & DPF Race Pipe No Muffler (411022 / 412022)

Regular price From $430.00 CAD

Obsessive Compulsive Diesel Ltd.
12866 153 Street NW
Edmonton, Alberta
Mon-Fri: 8am-5pm
(780) 757 0221

Support

Contact Us
Dealer Order
Dealer Application
Tuning Support Ticket
Tuning Instructions
Returns
Warranty
Submit a File
Our Blog
Links
Careers

Information

Shipping Policy
Privacy Policy
Refund policy
Core Return Policy
Tuning Terms & Conditions
Dealer Terms & Conditions
Terms of Service
Support Ticket
Events

Join the OCDiesel Mailing List

Get exclusive offers & discount codes, and be the first to know about new product launches.

Your email

Payment methods

Facebook
Instagram
TikTok

© 2026, OCDiesel