Adding 2014-2017 down pipes to your GMC Sierra after installing a turbocharger makes a big difference in the power gained, and a mild difference on trucks that haven’t been turbocharged. Increasing the flow out of the headers strongly, these pipes comes as both 2014-2017 catted down pipes – which include a catalytic converter and can be driven on the road in most states, at a slight loss in maximum performance – and as 2014-2017 off-road down pipes. Off-road variants of these exhaust components omit the catalytic converter totally to give you every bit of advantage in power, but are legal for use off-road or on the track only. AmericanTrucks carries down pipes that are made to exacting specifications by today’s best aftermarket parts companies, so that you get reliable, leak-free operation and a great fit. Advanced design is matched by good materials such as T-304 stainless steel, which is basically rust-proof, for a permanent upgrade.
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