Quick view HP Tuners HPT GM E99 Global B ECM Upgrade (*VIN & Original ECM Required*) - ECM-GB-E99-U Compare $1,499.99 HPT GM E99 Global B ECM Upgrade (*VIN & Original ECM Required*) Add to Cart Add to Cart
Quick view HP Tuners HPT GM E90 Global B ECM Upgrade (*VIN & Original ECM Required*) - ECM-GB-E90-U Compare $999.99 HPT GM E90 Global B ECM Upgrade (*VIN & Original ECM Required*) Add to Cart Add to Cart
Quick view HP Tuners HPT Polaris MG1 ECM Upgrade (*VIN & Original ECM & H-002-08 Cable Required*) - ECM-00-MG1-U Compare $149.99 HPT Polaris MG1 ECM Upgrade (*VIN & Original ECM & H-002-08 Cable Required*) Add to Cart Add to Cart
Quick view HP Tuners HPT MD1 Power Stroke ECM Upgrade (*VIN & Original ECM Required*) - ECM-PS-MD1-U Compare $99.99 HPT Ford Power Stroke MD1 ECM Service Add to Cart Add to Cart
Quick view HP Tuners HPT L5P ECM Upgrade (*VIN & Original ECM Required*) - ECM-00-L5P-U Compare $649.99 Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning with HP Tuners E41 ECM Upgrade service. Upgrade your original E41 ECM for tuning and diagnostics via this send-in, one-time service. Simply send HP Tuners your... Add to Cart Add to Cart
Quick view HP Tuners HPT E41 L5P New ECM (*VIN Required*) - ECM-00-L5P-P Compare $1,499.99 Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning by purchasing a brand-new E41 ECM from HP Tuners that's already upgraded for tuning and diagnostics. Add to Cart Add to Cart
Sold Out Quick view HP Tuners HPT Upgrade Kit - ECM-00-L5P-K Compare $349.99 HPT E41 ECM Upgrade Kit(L5P) Out of stock Out of stock
Quick view HP Tuners HPT ECM Exchange (*VIN Required - Must Mail in ECM*) - ECM-00-L5P-E Compare $649.99 Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning with HP Tuners E41 ECM Exchange service. Exchange your original E41 ECM for one that's already upgraded for tuning and diagnostics with HP Tuners' hardware and... Add to Cart Add to Cart
Quick view HP Tuners HPT E93 L8T New ECM (*VIN Required*) - ECM-00-E93-P Compare $699.99 HP Tuners E93 ECM 20-23 GM 6.6L Add to Cart Add to Cart
