Letting your engine breathe is very important and is usually one of the first upgrades done to the cars. From glass packs to a set of modern day Flowmaster exhaust mufflers. When you purchase custom exhaust systems for your vehicle, you can rest assured that you are getting the most advanced and professionally engineered mandrel-bent exhaust system available. Each exhaust system is custom tailored to fit your vehicle for ease in installation and to give your vehicle that custom look. The benefits of exhaust systems include reduced backpressure for improved acceleration and towing power, cooler underhood temperatures, cleaner and more efficient burn in the combustion chambers, and, more importantly, better fuel economy. Another upgrade you can do for your exhaust is to add a set of hedders. Many companies are offering 50-state legal hedders for certain applications, but you should always look at your state laws to see what restrictions may apply to your ride.
From the proper lube to the latest engine accessories available for your classic, this guide is sure to touch upon every subject under your hood. Picking the right combination of accessories can really dress up your engine compartment and should also provide bolt-on power and give your car a little extra go for your money. So, if you want to look good underhood, or just want to go fast with a few bolt-on performance products, this guide is a great place to start.
 Hooker's Block Hugger headers:...  Hooker's Block Hugger headers: Starting at $353 |  ARP Fasteners stainless steel...  ARP Fasteners stainless steel cylinder head bolt: Starting at $140 |  Proform's new chrome starters...  Proform's new chrome starters offer high torque and bear a gear-reduction design. It also offers more clearance between the oil pan starter, which can be rotated for chassis clearance: Starting at $270 |
 Mark 7 Machine custom-machined...  Mark 7 Machine custom-machined aluminum radiators: $3,365 |  MSD's Chrome Blaster 2 ignition...  MSD's Chrome Blaster 2 ignition coils: Starting at $44 each |  Classic Tube's stainless steal...  Classic Tube's stainless steal tubing will keep the lines of your engine from vapor locking: $5 per foot of tubing, and around $5 per nut and sleeve |
 Optima battery: $160Summit...  Optima battery: $160Summit Racing billet battery tray: $80Be Cool radiator: $639 and up (depending on your application)Optima battery: $160 |  Summit Racing's smooth air...  Summit Racing's smooth air cleaner: Starting at $83 (before chroming) |  Lokar's Ram Jet brackets:...  Lokar's Ram Jet brackets: $50 (not including the kickdown or throttle cables) |
 Mattson's aluminum radiators...  Mattson's aluminum radiators for the '59-'69 Impala, equipped with Spal Electric fans: $997 |  MSD Ignition's fuel injection...  MSD Ignition's fuel injection distributors: $300 |  Proforms chrome alternator:...  Proforms chrome alternator: as low as $123 (on the Internet) |