HPI Racing Polished Aluminum Tuned Pipe for SavageOverview The HPI Racing Polished Aluminum Tuned Pipe is a high performance exhaust upgrade for the HPI Savage 1 8 nitro monster truck. Manufactured from polished aluminum, this tuned pipe delivers strong nitro engine performance while adding a clean, professional look to your Savage's powertrain. Key Features Genuine HPI Racing tuned pipe Polished aluminum construction Designed for HPI Savage OEM spec fit and finish Performance Benefits Properly tuned