Banks® - TorqueTube™ Exhaust Manifold System

2008 GMC Sierra / Item # 3145707
Banks® - TorqueTube™ Exhaust Manifold System Banks® - TorqueTube™ Exhaust Manifold System Banks® - DPF-Back Exhaust System Overview 602x420 Banks Authorized Dealer
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GMC Sierra 2008, TorqueTube™ Exhaust Manifold System by Banks®, w/o Air Injection. Cast OEM exhaust manifolds just are too restrictive. Replacing them with Banks Torque Tubes will substantially reduce the backpressure where it counts, right at the exhaust ports. Instead of relying on the pressure of the exhaust gases forcing their way along the passages, these headers rely on a different principle altogether. They use one exhaust pulse hitting the collector to pull the next pulse along with it. This can dramatically improve cylinder scavenging, giving you improved power and torque. At the same time, the reduced load on the engine improves economy.

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Originally $732.59
$586.07
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    Banks® - TorqueTube™ Exhaust Manifold System
    48006

    TorqueTube™ Exhaust Manifold System

    TorqueTube™ Exhaust Manifold System by Banks®, w/o Air Injection. Banks stainless, low-restriction TorqueTube headers will improve power and economy. The perfect place to start improving your truck’s exhaust system and unleashing the power in your engine. Fits 1500-series trucks without fittings for factory air injection emissions controls.

    In Stock - Usually ships within 24 to 48 hours

    $586.07
    Banks® - TorqueTube™ Exhaust Manifold System
    48011

    TorqueTube™ Exhaust Manifold System

    TorqueTube™ Exhaust Manifold System by Banks®, w/o Air Injection. Banks stainless, low-restriction TorqueTube headers will improve power and economy. The perfect place to start improving your truck’s exhaust system and unleashing the power in your engine. Fits 1500-series trucks without fittings for factory air injection emissions controls.

    In Stock - Usually ships within 24 to 48 hours

    $586.07
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    Product Details
    Banks® - Exhaust System Family Banks® - Videos Banks® - About

    Features:

    • Shorty style fits in stock engine bay
    • Stainless steel for long service life
    • Includes all hardware and gaskets
    • Improves power, reduces fuel consumption
    • Hardware included
    • 5-year limited Warranty
    Banks - Torquetube Exhaust Manifolds

    Banks' heavy-wall 400-series stainless TorqueTubes include two full exhaust manifold assemblies, each with a seamless high-velocity collector. Unlike the restrictive stock setup, Banks TorqueTubes literally "pull" out the exhaust, unleashing greater torque and helping the intake stroke to draw in more air. Includes all required hardware. This shorty style header is designed to fit perfectly, unless you have modified the vehicle in some way.

    Banks uses a substantially thicker 5/8” flange for the manifold-to-cylinder head flanges than other header manufacturers. The pipes are welded on both sides of the flange for durability, and then the flange is machined for flatness. This absolutely true surface fits up against the head surface so precisely that there’s no gasket! That eliminates a major cause of header failure from exhaust leaks, and even makes installation a breeze; no more juggling the header, the gaskets and the fasteners in only two hands.

    586.07
    Brand: Banks       Part Numbers:
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    Banks® Exhaust Systems are US-made, each unit is precisely dyno-tuned and shaped to fit selected model and production year vehicle and deliver great increase in torque and horsepower. Even the polished muffler tip is built with T-304 premium stainless steel. Each exhaust system has an easy bolt-on installation and requires no modifications to the vehicle for the installation.

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