Header Extensions
Circle Track Header Extensions at JJ Motorsports
Header extensions are designed to fine-tune the length of your exhaust system, enhancing low-end torque and backpressure control. These extensions are ideal for modifieds, street stocks, and other race cars requiring precise exhaust tuning. Combine them with compatible exhaust modifications for optimal car performance.
Shop trusted brands like Schoenfeld for durable steel extensions. Explore related categories such as Circle Track Exhaust Modifications for headers and manifolds or Circle Track Exhaust for complete systems.
Top Circle Track Header Extensions
- Schoenfeld 48in Extension 480035 – Exhaust Pipe Extension Straight 3-1/2 in Diameter 4 ft Long 1 End Expanded Steel Natural Each.
- Schoenfeld 48in Extension 480030 – Exhaust Pipe Extension Straight 3 in Diameter 4 ft Long 1 End Expanded Steel Natural Each.
- Schoenfeld 48in Extension 2.5in Dia 480025 – Exhaust Pipe Extension Straight 2-1/2 in Diameter 4 ft Long 1 End Expanded Steel Natural Each.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Schoenfeld 48in Extension 480035
SCHOENFELD
$35.99Exhaust Pipe ExtensionStraight3-1/2 in Diameter4 ft Long1 End ExpandedSteelNaturalEachSCH480035- SKU:
- SCH480035
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- MFG Part #:
- 480035
$35.99 -
Schoenfeld 48in Extension 480030
SCHOENFELD
$33.99Exhaust Pipe ExtensionStraight3 in Diameter4 ft Long1 End ExpandedSteelNaturalEachSCH480030- SKU:
- SCH480030
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- MFG Part #:
- 480030
$33.99 -
Schoenfeld 48in Extension 2.5in Dia 480025
SCHOENFELD
$29.99Exhaust Pipe ExtensionStraight2-1/2 in Diameter4 ft Long1 End ExpandedSteelNaturalEachSCH480025- SKU:
- SCH480025
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- MFG Part #:
- 480025
$29.99 -
Schoenfeld 36in Extension 360040
SCHOENFELD
$36.99Exhaust Pipe ExtensionStraight4 in Diameter3 ft Long1 End ExpandedSteelNaturalEachSCH360040- SKU:
- SCH360040
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- MFG Part #:
- 360040
$36.99 -
Schoenfeld 36in Extension 360035
SCHOENFELD
$29.99Exhaust Pipe ExtensionStraight3-1/2 in Diameter3 ft Long1 End ExpandedSteelNaturalEachSCH360035- SKU:
- SCH360035
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- MFG Part #:
- 360035
$29.99Qty in Cart: 0Quantity:Price:$29.99Subtotal: -
Schoenfeld 36in Extension 360030
SCHOENFELD
$29.99Exhaust Pipe ExtensionStraight3 in Diameter3 ft Long1 End ExpandedSteelNaturalEachSCH360030- SKU:
- SCH360030
- Availability:
- Ships Same Business Day
- Weight:
- 4.16 LBS
- MFG Part #:
- 360030
$29.99 -
Schoenfeld 24in Extension 5in Dia 240050
SCHOENFELD
$42.99Exhaust Pipe ExtensionStraight5 in Diameter2 ft Long1 End ExpandedSteelNaturalEachSCH240050- SKU:
- SCH240050
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- MFG Part #:
- 240050
$42.99 -
Schoenfeld 24in Extension 4in Dia 240040
SCHOENFELD
$30.99Exhaust Pipe ExtensionStraight4 in Diameter2 ft Long1 End ExpandedSteelNaturalEachSCH240040- SKU:
- SCH240040
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- MFG Part #:
- 240040
$30.99 -
Schoenfeld 24in Extension 240035
SCHOENFELD
$23.99Exhaust Pipe ExtensionStraight3-1/2 in Diameter2 ft Long1 End ExpandedSteelNaturalEachSCH240035- SKU:
- SCH240035
- Availability:
- Ships Same Business Day
- Weight:
- 3.58 LBS
- MFG Part #:
- 240035
$23.99 -
Schoenfeld 24in Extension 240030
SCHOENFELD
$22.99Exhaust Pipe ExtensionStraight3 in Diameter2 ft Long1 End ExpandedSteelNaturalEachSCH240030- SKU:
- SCH240030
- Availability:
- Ships Same Business Day
- Weight:
- 2.97 LBS
- MFG Part #:
- 240030
$22.99 -
Schoenfeld 24in Extension 2.5in Dia 240025
SCHOENFELD
$23.99Exhaust Pipe ExtensionStraight2-1/2 in Diameter2 ft Long1 End ExpandedSteelNaturalEachSCH240025- SKU:
- SCH240025
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- MFG Part #:
- 240025
$23.99 -
Schoenfeld 12in Extension 120035
SCHOENFELD
$16.99Exhaust Pipe ExtensionStraight3-1/2 in Diameter12 in Long1 End ExpandedSteelNaturalEachSCH120035- SKU:
- SCH120035
- Availability:
- Ships Same Business Day
- Weight:
- 1.63 LBS
- MFG Part #:
- 120035
$16.99 -
Schoenfeld 12in Extension 3in Dia 120030
SCHOENFELD
$16.99Exhaust Pipe ExtensionStraight3 in Diameter12 in Long1 End ExpandedSteelNaturalEachSCH120030- SKU:
- SCH120030
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- MFG Part #:
- 120030
$16.99
