Manta Holden Colorado 3" Inch Turbo Back Exhaust System | RG 2.8l Colorado | Aluminised Steel SRP Pistons The Stage 4 makes 93

The Stage 4 makes 93 flywheel horsepower MORE than the factory LS3 camshaft

The New released Harrop H2650i Race Port assembly (99-AMFD14942-RP) is an upgrade over the original H2650i manifold assembly

These are regulated by the motors boost reference which increases fuel pump voltage as the boost increases

Fitting and calibration instruction included

The most tried and tested production cylinder head on the market is the GM LS3 head

Manta Holden Colorado 3" Inch Turbo Back Exhaust System | RG 2.8l Colorado | Aluminised Steel SRP Pistons The Stage 4 makes 93LSX Performance Parts Proudly supply the Manta Performance Exhausts range for your RG Colorado Manta Exhausts are one of largest & most reputable manufacturers of quality exhaust systems to suit the 4x4 & performance market. Manta systems are made here in Australia & are designed for Australian conditions. Your Manta Holden Colorado Exhaust System Includes 3" Inch Aluminised Steel Turbo Back Dump Pipe with High Flow Cat; 3" Inch DPF Back Aluminised