OEM Mechanical Lock Nut (Exhaust Manifold) When installing new aftermarket headers, new hardware should be used. An even clamping force is required to keep the header tight against the head in order to seal the exhaust gasket properly. The studs on...

Oxygen Sensor Install Kit (2-Bolt Style) This kit contains everything you need to install the factory 2-bolt O2 sensor into your custom exhaust. It allows you to weld in the O2 sensor wherever you want it in the exhaust. Kit Includes: (2) Studs and...

OEM Exhaust Manifold Stud When installing new aftermarket headers, new hardware should be used. An even clamping force is required to keep the header tight against the head in order to seal the exhaust gasket properly. The studs on your truck may be 20...

Rubber Tailpipe Hanger (2-Hole) Factory replacement rubber insulator for tailpipe. Contact our Tech Support Line for further information at 928-575-2174. Note: Images are for illustration purposes only. Images may not represent the...

Rubber Tailpipe Hanger (3-Hole) Factory 3 Hole replacement rubber insulator for tailpipe. Contact our Tech Support Line for further information at 928-575-2174. Note: Images are for illustration purposes only. Images may not represent...

CNC Steel Header Flange (1 5/8") Steel header flange for custom fabrication of exhaust header on 2RZ or 3RZ engines. 1/2" thick flange with 1-5/8" ports. This header flange is the same one we use when constructing our headers in house. It will have a...

Weld On Bung & Plug Kit (Thread-In Bosch Style) If you are installing an oxygen sensor in a system that didn't originally come with one, or if you are installing a stand-alone Wideband AFR gauge, you will need this kit. It comes with the bung (18mm...

Weld-On Oxygen Sensor Flange (2-Bolt Flange Style) This flange is made from 3/8" mild steel, then tapped for M8 x 1.25 studs weld on. For the 2 bolt style O2 sensor. NOT for thread-in O2 sensors. Contact our Tech Support Line for further...

Exhaust Gasket Set This is a brand new Exhaust Manifold Gasket set for the 5VZ (3.4L V6). Exhaust Manifold Gasket manufactured from top-grade materials and expertly tested, this reliable product meets or exceeds stringent OE standards for quality, fit...

Round Collector Exhaust Gasket (2" OD 1.590" ID) This Exhaust gasket is used on the stock exhaust manifold where it connects to the two exhaust pipes. Stock applications will require (2). Alternate exhaust gasket sizes: 2.620" OD 1.950" ID, see...

Oxygen Sensor Adapter (2-Bolt Style To Thread In Style) This kit will adapt a thread in style O2 sensor (18mm) to the Toyota two-bolt style. Includes gasket plate to adapt and two studs and nuts. Contact our Tech Support Line for further...

Round Collector Exhaust Gasket Set This Exhaust gasket is used on the stock exhaust manifold where it connects to the two exhaust pipes. In the stock application, two will be required, this is a kit and will include (2) gaskets. Alternate exhaust...