ZZPerformance

This is a single 3" cat back that uses our ZZP resonator and muffler that exit in the factory location. It is entirely constructed of stainless ste...

This is the sequel to ZZP's popular 2.5" straight through resonator that we use in the Ecotec/Sonic/Cruze/and other cat backs. Our smaller version ...

This cone insert can be fitted inside your existing exhaust to bring down the volume without the need for extra resonators or mufflers. This insert...

Real world testing shows that at 60PSI our pump flows approximately 20% to 30% more fuel than a stock pump at the same pressure. At higher pressure...

FEATURES: Fueling modified for WOT (Wide Open Throttle) performance  Timing modified for WOT performance Speed limiter removed Raised rev limiter ...

Safely increasing cam lift or maximum engine RPM will require new valve springs. For example on the 3800 we use LS1 "beehive" valve springs which m...

This is ZZPs replacement to our old Whisper resonator, it is very quiet. Straight through 3 chamber design.  Our 2.5" version measures 29.25" end t...

This is ZZPs replacement to our old Whisper resonator, it is very quiet. Our 3" version measures 30.25" end to end, with a 24" x 5.5" body.

This is a set of aluminum coolant elbows for the 3800 engine. The stock elbows are made of plastic and fail often. Replace yours with our ZZP alumi...

This belt wrap kit eliminates concerns of belt slip often experienced when running smaller pulleys. We accomplish this by adding an additional "flo...

ZZPerformance continues to support our oldest platform with new innovations and replacement parts for discontinued OEM pieces. The driver's side 38...

Elevate the look and feel of your 3800 powered vehicle with our billet aluminum oil dipstick. Whether you’re building a show car or just want a bet...

Our ZZP 3800 Billet Thermostat Housing is a great bolt in replacement for your factory thermostat housing. The factory cast unit gets pitted and de...

ZZPerformance replacement camshaft bolt for your 3800 powered vehicle. Replacement for OEM part number 24501366. Camshaft Bolt: 74 ft/lbs + 90 degr...

Our ZZPerformance catch can kit is designed to aid in keeping your engine clean and healthy, featuring an easy to access can and PCV reroute. This ...

It was designed on the 98+ 3800 Series II and III WBody (Grand Prix, Regal, Intrigue, Monte Carlo, Impala). It doesn't fit the 1997 style PCM core ...

This is a full combo kit that you can spec to your liking to run our Equalizer on your 3800 powered vehicle. The kit comes in 4 total options: Equ...

The ZZP 3800 Equalizer Downpipe is the solution to perfecting your 3800 build. We all know how potent the 3800 platform can be, however there's alw...

The ZZPerformance strut tower brace connect to the top of the vehicle's strut mounting points to each other to add structural rigidity. This improv...

Once you add some basic handling mods such as lowering springs, upgraded struts, better tires, etc, it becomes increasingly important to consider u...

3 piece pre-sealed aluminum core Dual pass front mount heat exchanges Intercooler Pump 2 Garlock supercharger gaskets All hoses needed for install...

ZZP's GT camshafts currently hold all the horsepower and ET records for naturally aspirated L36s. Anytime you upgrade the camshaft from the stock o...

Secure your heads with our new ZZP 3800 head stud kit, the ultimate solution in clamping force. Built on years of ZZP dominance in the 3800 market,...

   These high voltage coil packs will supply a stronger spark which will allow you to run a larger gap that will improve fuel economy, drivability,...