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Pacific Performance Engineering replacement high-flow up-pipes allow as much as 53 percent more flow than stock pipes, and they're a direct bolt-on to your factory manifolds. Diesel engines, even stock, produce high temperatures and pressures. OEM up-pipes eventually fail from constant temperature and pressure fluctuation. Unlike factory parts, these OE replacement high-flow up-pipes are manufactured from 11-gauge 304 stainless steel. They include internally-sleeved bellows that can take the abuse of high temperature and high pressure. Order the model recommended for your application.
( 2 )
$224.99
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$269.99
Better than stock, Pacific Performance Engineering exhaust downpipes increase flow and performance on your Duramax. PPE crafts them with smooth bends from long-lasting 304 stainless steel. They include titanium exhaust wrap and clamps for a secure installation. Remove your crushed oval-shaped stock downpipe and replace it with a Pacific Performance exhaust downpipe for unrestricted power! Order the model recommended for your application.
( 26 )
$134.99
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$170.99
Pacific Performance Engineering V-band clamps facilitate a leak-free seal. Exhaust leaks rob your vehicle of power—and the noise can be embarrassing. These clamps are made from heavy-duty 304 stainless steel and feature steel bolts and Nyloc nuts for added durability. They're available in sizes for a variety of pipe diameters. Order the clamps individually or in a set.
( 6 )
$134.99
Pacific Performance Engineering V-band exhaust flanges make custom systems easier to build. These interlocking flanges are made from mild steel and come in "engine" or "exhaust" side configurations so there is no confusing the two. They easily weld to your exhaust tube and can be securely connected with PPE steel V-band clamps. Pacific Performance Engineering V-band exhaust flanges are available in several sizes to meet your needs.
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$125.99
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