hese 16 gauge Stainless Steel Mandrel Bent downpipes fit directly onto factory cast iron Manifolds for the following applications. Flanges are already installed. fits Small Block only.
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3" x 3" Stainless Steel Race Catted X-Pipe
Includes Kooks High Flow Race Catalytic Converters
OEM outlet for use with stock exhaust
Must be used with Kooks Headers
These products are NOT legal for sale, installation, or use…
For Use With CORSA Sport Systems
Eliminates Exhaust “Idle Burble†& Popping On Deceleration
Smoothes Out Engine Pulses For Better Throttle Response
Bolt-On Installation
Fits All Except Z06 & 2006-08 Automatic…
Adds 25 Rear Wheel Horsepower Plus To Modified Engines 1-3/4 to 1-7/8 Inch 18 Gauge Primary Tube Diameter With 3 Inch Spike Merge Collectors .375 Inch Surface Ground Flanges & Ball & Socket Connections Eliminate Leaks Includes 3…
Adds More Horsepower & Torque Mandrel Bent 2.5" Tubing T304 Stainless Steel Construction Fits 2005-2008 C6 Corvettes Except Z06 Designed To Fit B& B Long Tube Headers Off Road Use Only and Can Not Be Sold Or Shipped To New York Or…
Optimized tube lengths improve flow and performance
100% hand TIG-welded construction ensures optimal strength and durability
Constructed of 3" mandrel-bent stainless steel tubing
Includes dual, hi-flow, 200 CPSI, stainless…
Improves Side-To-Side Exhaust Flow
Eliminates Exhaust "Idle Burble" & Popping On Deceleration On Most C5's
Smoothes Out Engine Pulses For Better Throttle Response
CORSA'S 16 gauge, stainless steel Crossover Pipe can be used…
Stainless Steel 3" X-Pipe Includes 3" Mid-Pipes Includes Catalytic Converters Kooks Stainless Steel X-Pipes for your C6! Looking to put new life into your C6? No cutting or welding is required. …
Stainless Steel 3" X-Pipe Includes 3" Mid-Pipes Offroad X-Pipe Does Not Include Catalytic Converters - Check You Local Emissions Laws Kooks Stainless Steel X-Pipes for your C6! Looking to put new life into your C6? No cutting or welding…
1 3/4" x 3" Stainless Steel Long Tube Headers
Must be used with Kooks X-Pipe
O2 extensions, gaskets, and all installation hardware included
These products are NOT legal for sale, installation, or use on a licensed vehicle in…
3" x OEM Stainless Steel Race Catted X-Pipe
Includes Kooks High Flow Race Catalytic Converters
OEM outlet for use with stock exhaust
Must be used with Kooks Headers
These products are NOT legal for sale, installation, or…
Stainless Steel 3" X-Pipe Includes 2-1/2" Mid-Pipes Connects to 2-1/2" OEM Exhaust Includes Catalytic Converters Kooks Stainless Steel X-Pipes for your C6! Looking to put new life into your C6? No cutting or welding is required. …
DynoMax With Aluminized Pipes 
Not For Use On ZR1 Corvettes 
Oxygen Sensor Bung On Driver's Side 
Designed for use on Pre-OBDII vehicles. (1995 and older)
Flange to flange, direct fit design bolts to existing…
Optimized tube lengths improve flow and performance
100% hand TIG-welded construction ensures optimal strength and durability
Constructed of 3" mandrel-bent stainless steel tubing
Includes dual, hi-flow, 200 CPSI, stainless…
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