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Isuzu Ascender Headers

We have 5 Items In-stock. Select a year to continue.
$449.99 List Price $530.99 Save $81.00 Availability: In Stock
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BBK – HEADERS

For less than $500 and an afternoon you can get a substantial increase in true horsepower – up to 23 extra to be more precise – by getting a BBK header in there to optimize your vehicle’s air flow. Aftermarket performance leader BBK specializes in throttle bodies, cold air intake systems and headers and is recognized worldwide for its adjustable clutch quadrant kits.

  • Designed to replace the factory exhaust manifold
  • Makes as much as 23 more horsepower
  • Premium fully-machined mandrel-bent tubing
  • Bolt-on style for easy installation
  • Designed and made in America
  • Streamlines air flow
  • Comes in polished chrome or flat finish
  • Laser-cut flanges are meant to prevent heat distortion
  • SKU#: B4540050
  • Brand: BBK
  • Fit Note: 4WD, RWD
  • Color/Finish: Silver Ceramic
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 3-4 business days
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Fits the following Isuzu Ascender Years:
  • 2005-2006 | 8 Cyl 5.3L | LS
  • 2005 | 8 Cyl 5.3L | Limited, S
$116.40 List Price $137.35 Save $20.95 Availability: In Stock
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EXHAUST MANIFOLD

Replacement OE Style Exhaust Manifold is constructed from tough, rigid cast iron that provides the perfect replacement for your old and worn out factory piece.

Make sure that your exhaust system is in tip-top condition and install this bolt-on exhaust manifold on your ride.

Notes:

  • Cast iron construction

Replacement brand parts are the most affordable solution for all of your replacement needs! Replacement specializes in body parts and lighting products; it also stocks a wide array of Original Equipment (OE) quality electrical, brakes, suspension, intake, exhaust, cooling and heating parts. Unlike more expensive items from your dealer, the brand new parts we offer are the most economical in the market and are the perfect replacement for your old, broken or damaged OEM parts. Best of all, all Replacement brand items are backed by a 1-year, unlimited-mileage warranty.

  • SKU#: REPC960707
  • Brand: Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 1-year, unlimited-mileage warranty
 
Fits the following Isuzu Ascender Years:
  • 2004-2005 | 6 Cyl 4.2L | S
  • 2003-2005 | 6 Cyl 4.2L | LS
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$966.01 List Price $1,250.13 Save $284.12 Availability: In Stock
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MAGNAFLOW PERFORMANCE EXHAUST SYSTEMS

Over the past 30 years, Magnaflow has grown as a market leader of exhaust systems, focusing on three key elements with each product they produce—quality, power and sound. Magnaflow’s Performance exhaust systems feature stainless steel construction and mandrel bent pipes, allowing for greater fuel economy and improved performance. A full-bodied exhaust note, emblematic of the brand, is achieved through the smooth, lap-joint welded body, tightly packed with acoustical fibers designed to dampen irritating pitch tones.

  • SKU#: M6616833
  • Brand: Magnaflow
  • Fit Note: 4-Door, 113.0 in. Wheelbase
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: 10% increase in horsepower
  • Anticipated Ship Out Time: 1-2 Business Days
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Fits the following Isuzu Ascender Years:
  • 2004-2008 | 6 Cyl 4.2L | S
  • 2006 | 6 Cyl 4.2L | Base
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$92.04 List Price $170.95 Save $78.91 Availability: In Stock
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HEADER PANEL, THERMOPLASTIC -- A high quality, direct fit OE replacement header panel; Backed by 1-year, unlimited-mileage warranty.
  • SKU#: C040902
  • Brand: Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Replaces OE Number: 15195745
  • Replaces Partslink Number: GM1221126
  • Warranty: 1-year, unlimited-mileage warranty
 
Fits the following Isuzu Ascender Years:
  • 2004-2008 | 6 Cyl 4.2L | S
  • 2003-2006 | 8 Cyl 5.3L | LS
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Rating: (see review/s)

"even thought the fit was good, there was flashed areas that should of been trimmed at the manufacturer. the header panel that I removed was greatly damaged (about 2/3 left) it out weighed the replacement panel." posted by: on October 5, 2008

$123.95 List Price $168.10 Save $44.15 Availability: In Stock
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HEADER PANEL, THERMOPLASTIC -- CAPA certified; A high quality, direct fit OE replacement header panel; Backed by 1-year, unlimited-mileage warranty.
  • SKU#: C040902Q
  • Brand: Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Certification: CAPA
  • Replaces OE Number: 15195745
  • Replaces Partslink Number: GM1221126C
  • Warranty: 1-year, unlimited-mileage warranty
 
Fits the following Isuzu Ascender Years:
  • 2004-2008 | 6 Cyl 4.2L | S
  • 2003-2006 | 8 Cyl 5.3L | LS
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Select more Isuzu Ascender parts under Headers, Manifolds & Components from list below.