Vehicle Fitment
Make | Model | Year |
---|---|---|
Chevy | Impala | 2006-2009 |
Monte Carlo | 2005-2007 | |
Pontiac | Grand Prix | 2005-2008 |
Make | Model | Year |
---|---|---|
Chevy | Impala | 2006-2009 |
Monte Carlo | 2005-2007 | |
Pontiac | Grand Prix | 2005-2008 |
4-1 Short Tube Exhaust Headers with Y-Pipes by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Short Tube. There is no better way to squeeze a little more power out of your V8 motor than this header kit! These shortie headers are a fantastic way to work some extra horsepower out of your car, and will have you back out on the road in no time getting where you're going a little faster. To make these headers last, Doug's built them using industry leading 14-gauge steel tubing with 3/8" thick flanges. Topping all of that off, Doug's headers come beautifully ceramic coated to greatly reduce under-hood temperatures and protect them from the environment. All 100% American made, and backed by Doug's lifetime warranty. Install these headers today and feel your car's true power potential!
Style: 4-1 |
Header Style: Short Tube |
Primary Diameter: 1.75" |
Collector Diameter: 3" |
Header Style: 4:1 Header |
Material: Steel |
Finish: Silver Ceramic Coated |
Primary Tube Diameter: 1-3/4" |
Primary Tube Gauge: 14 Gauge |
Collector Attachment: 2-bolt Flange / Slip-fit |
Collector Diameter: 2-1/2" |
Tuned: No |
Flange Thickness: 3/8" |
Bolts and/or Studs Included: Yes |
Gaskets Included: Re-use factory manifold gaskets |
Y-Pipe (Crossover) Included: Yes |
Y-Pipe Inlet Diameter: 2-1/2" |
Y-Pipe Outlet Diameter: 3" |
Weld Up: Y-pipe outlet must be welded to exhaust inlet |
Catalytic Converter(s) Included: No |
Quantity: Sold as a Complete Kit |
Warranty: Limited Lifetime to original purchaser |
Modern engine compartments are crowded spaces, and seem to be getting even more crowded with every new year. That's why we've developed Doug's Shortie Headers to provide maximum performance in a compact, easy to install package. Doug's Shortie Headers replace restrictive stock manifolds with thick wall steel tubing for increased exhaust flow, but retain the factory mounting locations for emissions equipment to keep you street legal.
The Shortie Header works great in applications where space is limited, and a Long Tube or Tri-Y header just won't fit. Easy installation, more power and better fuel economy make the Shortie a winner.
For over 50 years, Doug Thorley Headers has been an innovator in the automotive aftermarket. Driven by a passion for performance and superior quality, they are committed to developing 100% American-made products that will reliably deliver maximum horsepower and torque. Doug Thorley Headers® has been pushing the limits of automotive technology since they first invented the Tri-Y header in 1958, and they do it all on American soil.