Smashed Performance

Put the Smashed Performance Coolant Block Off Plate in your GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your Duramax engine. The factory cover uses a...

Add years of life to your Ford F-250, F-350 & Excursion 6.0L diesel engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings left...

Add years of life to your Ford F-250 and F-350 6.4L diesel engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings left over from the...

The plastic y-pipe on the 13+ Cummins 6.7 is notorious for cracking and spraying coolant all over your engine bay. Upgrade to this new billet aluminum y-pipe from Smashed Performance to prevent...

The Smashed Performance 6.0L Power Stroke intake elbow replaces the restrictive stock plastic intake elbow on your 2003-2007 Ford F-250 or F-350 Super Duty with larger diameter aluminum tubing. The...

Want to get rid of that big ugly resonator under the hood of your LML? This will take its place and give your truck some personality. Our resonator delete plate is designed to fit your factory...

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 resonator delete plug is designed to fit your...

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 Performance has you covered. With a...

  Get rid of that nasty black oily soot that is all over your engine bay for good with this kit! Our valve cover fittings and plug are machined out of a single piece of aluminum stock and have...

Replace the problematic factory thermal bypass valve in your 2013-2018 Dodge Ram 6.7L Cummins before it causes catastrophic failure with the Smashed Performance Transmission Cooler Thermal Bypass...

If one thing is for certain it’s that the Ford 6.0L factory Y-Pipe will fail at some point during the vehicle’s service. Well have we got good news for you, Smashed Performance now has a...

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) Sensor in your 2001-2016 GM 6.6L Duramax. The...