Oldsmobile Series 90 Header Reducers

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Follow these tips and tricks on how to properly wrap your exhaust manifolds to reduce underhood temperatures.

Making the switch from manifolds to headers is a popular performance upgrade, but it may take more than just bolting on the new part. We provide some tips and things to consider after you bolt on a new set of headers.

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Some basic info on the various exhaust options carried by Speedway Motors.

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!