The X4 Power Flash arrives Pre-Loaded with DYNO Proven tune files that Increase Horsepower and Torque. This product does not support any changes to...

The plastic y-pipe on the 13-15 Cummins 6.7 is notorious for cracking and spraying coolant all over your engine bay. Upgrade to this new billet alu...

Smashed Performance 2011-2016 LML Duramax Intake Resonator Delete Plate

Put the Smashed Performance Coolant Plate in your GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your Duramax engi...

The Smashed Performance CAT fuel filter adapter allows you to install a 2 micron CAT fuel filter without any major modifications. The kit comes wit...

Replace your stripped or broken factory plastic bleeder screw with this one made of billet aluminum.

Want to get rid of that big ugly resonator under the hood of your LLY/LBZ/LMM? This will take its place and give your truck some personality. Our r...

Get rid of that nasty black oily soot that is all over your engine bay for good with this kit! Our cap is machined out of a single piece of aluminu...

Get rid of that nasty black oily soot that is all over your engine bay for good with this kit! Our cap is machined out of a single piece of aluminu...

Get rid of that nasty black oily soot that is all over your engine bay for good with this kit! Our cap is machined out of a single piece of aluminu...

If you are looking for a replacement passenger side up-pipe due to a blown out bellow or just looking to replace yours with a new up-pipe, Smashed ...

The Smashed Performance Fuel Filter Delete is a must have for your 6.6L Duramax with a modified fuel system. The Fuel Filter Delete simply installs...

The Smashed Performance WIF Sensor delete plug  is a quick and simple solution to ending all the issues caused by the factory Water In Fuel (WIF) S...

Replace the problematic factory thermal bypass valve in your 2013-2018 Dodge Ram 6.7L Cummins before it causes catastrophic failure with the Smashe...

Clean up the underhood of your Dodge 6.7L Cummins by eliminating the factory fuel filter canister with the Smashed Performance Fuel Filter Delete. ...

The Fuel Tank Sump Kit from Smashed Performance is designed to eliminate the typical ¼ tank issues associated with the in-tank draw straws typicall...

The Smashed Performance Fuel Rail Plug (heat treated stainless steel construction) replaces stock or a shimmed pressure relief valve. This valve he...

The South Bend Dyna Max 13" Upgrade Clutch Kit 13125-FEK is a great addition to your 1989-2004 Dodge 5.9L Diesel. Featuring a steel construction, t...

Improve your 1989-2004 Dodge 5.9L Diesel towing ability when you install the South Bend Dyna Max 13" Upgrade Clutch Kit 13125-OFEK. Constructed fro...

Get more from the clutch in your 1989-2004 Dodge Diesel 5.9L when you install the South Bend Dyna Max 13" Upgrade Clutch Kit 13125-OK. The Dyna Max...

Upgrade your Dodge Ram with a South Bend Heavy Duty Clutch Kit 13125-OK-HD from GAP. This heavy duty version of South Bend's 13" clutch kit feature...

The South Bend 1939CB Clutch Kit is an upgrade for your 1999-2003 Ford 7.3L Powerstroke. This style of clutch disk has proven itself in the semi's ...

The South Bend 1939DF Clutch Kit is an upgrade for your 1999-2003 Ford 7.3L Powerstroke. This style of clutch disk has proven itself in the semi's ...

The South Bend 1939OHD Clutch Kit is an upgrade for your 1999-2003 Ford 7.3L Powerstroke. This style of clutch disk has proven itself in the semi's...

Find the South Bend 1944-5K Dyna Max Clutch (Single Mass Flywheel) for your 1994-1997 Ford 7.3L Powerstroke F250-450 at GAP. Each Dyna Max Clutch (...

The South Bend 1944-5OFEK Dyna Max Clutch (Single Mass Flywheel) at GAP is what your 1994-1997 Ford 7.3L Powerstroke F250-450 needs. Each Dyna Max ...

Visit GAP and get the South Bend 1944-5OK Dyna Max Clutch (Single Mass Flywheel) for your 1994-1997 Ford 7.3L Powerstroke F250-450. Manufacturer ...

Visit GAP and get the South Bend 1944-5OKHD Dyna Max Clutch (Single Mass Flywheel) for your 1994-1997 Ford 7.3L Powerstroke F250-450. Manufacture...

The South Bend 1944-6K Dyna Max Upgrade Clutch (Single Mass Flywheel Kit) is available at GAP and is gives your 1999-2003 Ford 7.3L Powerstroke F25...

The South Bend 1944-6OFEK Dyna Max Upgrade Clutch (Single Mass Flywheel) from GAP is what your 1999-2003 Ford 7.3L Powerstroke F250-450 w/6 speed t...

Purchase the South Bend 1944-6OK Dyna Max Upgrade Clutch (Single Mass Flywheel Kit) from GAP and ensure your 1999-2003 Ford 7.3L Powerstroke F250-4...

The South Bend 1944-6OKHD Dyna Max Upgrade Clutch (Single Mass Flywheel) available at GAP is exactly what your 1999-2003 Ford 7.3L Powerstroke F250...

Replace the clutch in your 2000.5-2005.5 Dodge 5.9L Diesel With NV5600 Trans. 475 HP, 1000 FT. LBS. Torque with the South Bend Dyna Max Upgrade Clu...

GAP has the South Bend Upgrade Clutch Kit 1947-OFER that will replace the worn-out clutch in your truck. The Clutch Kit features a pressure plate t...

The South Bend 1947-OK Organic Clutch Kit Is an excellent upgrade for the NV5600 transmission in your mildly modified 2000.5-2005.5 Dodge 5.9L Dies...

Make towing easier with your 2000.5-2005.5 Dodge 5.9L Diesel With NV5600 Transmission when you purchase and install the South Bend Heavy Duty Clutc...

GAP offers the South Bend 1947-OR Dyna Max Upgrade Clutch Kit that will replace the worn-out unit in your vehicle. Manufactured from a performance ...

Get the South Bend 1950-60CBK Dyna Max Clutch (Single Mass Flywheel) for your 2003-2007 Ford 6.0L Powerstroke F250-550 w/6 speed transmission today...

Install the South Bend 1950-60DFK Dyna Max Clutch (Single Mass Flywheel) from GAP on to your 2003-2007 Ford 6.0L Powerstroke F250-550 w/6 speed tra...

Find the South Bend 1950-60OKHD Dyna Max Clutch (Single Mass Flywheel) at GAP and keep your 2003-2007 Ford 6.0L Powerstroke F250-550 w/6 speed tran...

The South Bend 1950-64CBK Clutch Kit for your 2008-2010 Ford 6.4L Powerstroke provides an increase in clutch holding capacity over the stock clutch...

The South Bend 1950-64DFK Clutch Kit for your 2008-2010 Ford 6.4L Powerstroke provides an increase in clutch holding capacity over the stock clutch...

The South Bend 1950-64OKHD Clutch Kit provides you with an upgraded clutch for your 2008-2010 Ford 6.4L Powerstroke. The HD Clutch features a solid...