Mandrel bent exhaust pipes and tubing for maximum flow and performance. Available in aluminized and stainless steel construction with various diameters from 1.75" to 5".
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Best AP Exhaust exhaust-pipe for 2007-2004 Cadillac CTS Left | Direct Fit Replacement | 38957
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Prebent Exhaust Pipe Fits: 2007-2004 Cadillac CTS Left
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Best AP Exhaust exhaust-pipe for 2007-2004 Cadillac CTS Right | Direct Fit Replacement | 38956
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Best AP Exhaust exhaust-pipe for 2006-2004 Toyota Sienna Front | Direct Fit Replacement | 38937
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Best AP Exhaust exhaust-pipe for 2006-2003 Lincoln LS Center Left | Direct Fit Replacement | 38878
$147.84
Prebent Exhaust Pipe Fits: 2006-2003 Lincoln LS Center Left
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Best AP Exhaust exhaust-pipe for 2007-1998 Toyota Land Cruiser Rear Le | Direct Fit Replacement | 38843
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Prebent Exhaust Pipe Vehicle Fitment 2007-1998 Toyota Land Cruiser Rear Left 2007-1998 Lexus LX470 Left...
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Best AP Exhaust exhaust-pipe for 2006-2005 Toyota Tundra Front | Direct Fit Replacement | 38840
$232.42
Prebent Exhaust Pipe Fits: 2006-2005 Toyota Tundra Front
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Best AP Exhaust exhaust-pipe for 2006-2004 Chrysler Pacifica | Direct Fit Replacement | 38022
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Best AP Exhaust exhaust-pipe for 2007-2004 Cadillac SRX Left | Direct Fit Replacement | 38002
$98.32
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Best AP Exhaust exhaust-pipe for 2007-2004 Cadillac SRX Right | Direct Fit Replacement | 38001
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Frequently Asked Questions
What is mandrel bent exhaust pipe?
Mandrel bent pipes maintain consistent diameter throughout bends, unlike crush bent pipes which flatten at curves. This consistent diameter ensures maximum exhaust flow, reducing backpressure and improving horsepower. Mandrel bending is the professional standard for performance exhaust systems.
What diameter exhaust pipe should I use?
For naturally aspirated V8s, 2.5" to 3" is typical. Turbocharged or high-performance engines benefit from 3" to 4". Diesels often use 4" to 5". Larger isn't always better - oversized pipes can reduce velocity and hurt low-end torque. Match pipe size to your engine's power output.
Aluminized steel vs stainless steel exhaust pipes?
Aluminized steel is budget-friendly and resists corrosion better than bare steel, typically lasting 3-7 years. Stainless steel costs more but can last 10+ years without rusting. For areas with road salt or coastal environments, stainless steel is worth the investment.
Can I mix different diameter exhaust pipes?
Yes, using adapters or reducers, but it's not ideal. Changing diameters mid-system can create turbulence and backpressure. If you must mix sizes, gradually step up diameter (2.5" to 3") rather than abrupt changes. Consistent diameter throughout provides best performance.
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