HPI Aluminum Tuned Pipe for the Baja 5B.

HPI Tuned Pipe and Exhaust Header Set for .12 to .15 Size Engines used On The Nitro RS4 Kits. (Not Minis)

HPI Stock Tuned Pipe for Hellfire RTR.

HPI Racing high flow exhaust muffler found on the Baja 5T truck is now available as a spare part.

HPI optional Black Colored Ribbed Tuned Pipe for the Savage 21 and the Savage SS.

HPI optional Purple Colored Ribbed Tuned Pipe for the Savage 21 and the Savage SS.

HPI optional Silver Colored Ribbed Tuned Pipe for the Savage 21 and the Savage SS.

HPI Exhaust Headers for your Hellfire RTR - Stock Header from HPI.

HPI polished aluminum tuned pipe for the Savage.

HPI polished aluminum tuned pipe for the Savage.

HPI aluminum tuned pipe now you can have power, strength and BLING all in one package.

HPI Aluminum Tuned Pipe Set for use with the MT2 and HPI RS4 3 Evo Kits.

HPI exhaust coupling for the Baja 5B.

HPI stock Manifold for the Nitro Rush EVO. This will also work for the standard Nitro Rush if you are upgrading to the Roto Start system.

HPI exhaust header for the Savage.

HPI Tuned Pipe for the Firestorm.

HPI stock replacement exhaust manifold for the Nitro 3. This part connects the tuned pipe to the crankcase.

HPI optional Rear Exhaust Header for the HPI Nitro RS4 2. This part is designed for round port rear exhaust .12/.15 engines.

HPI optional Rear Exhaust Header for the HPI Nitro MT. This part is used to connect a tuned pipe to the engine.

HPI Exhaust Header for the Firestorm.

HPI Exhaust Header for the Nitro RS4 3.

HPI stock replacement tuned pipe for the Savage. This pipe connects to the engine via the header.

Ofna center differential housing posts for the Hyper 7 RTR

HPI Exhaust Pipe for the Baja.

HPI exhaust manifold for the Nitro RS4 3. This works with side exhaust engines.

HPI Replacement Muffler Set for HPI Nitro Vehicles. This is the Silver canister that bolts directly to the crankcase.

HPI Tuned Pipe Mount and Retainer Set for the Savage SS.

HPI tuned pipe mount for the Baja 5B.

HPI Stock replacement Exhaust Manifold for the Nitro RS4 MT. This part connects the tuned pipe to the crankcase.

HPI Inner Cone for the muffler on the Savage X