Lmm duramax downpipe install

If you want to customize the amount of air you take in, we include an optonal box plug that can seal off one inlet point. The large diameter intake tube was designed to minimize restriction. The tube is positioned in one clean line with minimum obstructions from the throttle body to the air box.

This means more cool air and better performance. Cart Your cart is currently empty. View Cart Checkout. About Us At Lezada, we put a strong emphasis on simplicity, quality and usefulness of fashion products over other factors. Vehicle Fitment Description: This 4" race exhaust starts at the downpipe and allows removal. Shipping Ask About This product. Add to cart.

I agree with the terms and conditions. Like all the Duramax engines that came before it, the LMM is also void of a lift pump in stock form. The compact, all-inclusive, bolt-on fuel supply system from AirDog pictured here flows gallons per hour at 8 to 10 psi, which easily supports rwhp and as much as rwhp. With a built Allison in the mix, getting the most out of the stock injectors, CP3 and turbo can be achieved through custom EFI Live tuning.

Because the turbo and engine will see plenty of heat in a rwhp tune, a freer flowing downpipe provides a quicker exit path for those toasty exhaust gasses.

A cold air intake is a great way to pull additional oxygen into the compressor side of the turbo. On top of that, most systems can be had with a serviceable, oiled air filter option that can be reused. Aftermarket variable geometry turbochargers offer the best of all worlds: tame street manners, great transient response at lower engine speeds and optimum flow at high rpm for making big power.

An aftermarket downpipe can bolster up performance by removing those pesky turbo outlet constrictions. This pipe does not come with any new hardware and you must retain all of your stock hardware and sensors.

This install is a little complicated. Pay close attention to the instructions in the video. Granted, the ECM and emissions equipment are different, but the same basic engine architecture is the same. The connecting rods and pistons are identical, and the only difference in the cylinder heads is that they were treated to slight improvements in coolant flow. Once again, the pay-to-play phrase applies in that you have to build the six-speed automatic to handle more power or rather the to 1, lb-ft of torque that a rwhp truck makes before you can savor it.

From there, freeing up exhaust and intake flow through the install of a larger downpipe and 3-inch Y-bridge helps cool off the engine while adding a few ponies. With the Duramax operating at factory power levels, the commercial-grade six-speed Allison automatic is hard to beat.

To make sure yours lives, get it to a reputable Allison builder that can fortify it properly. And if you have plans to pursue big power, billet shafts, a billet P2 planet and C2 hub and a billet stator converter should all be considered.