Twisted Steel Y-Pipe

The aFe Mach Force XP Jeep "Y-pipe" is designed to connect the stock converter with either the stock exhaust or aFes Mach FORCE XP exhaust system. Designed also to accommodate aftermarket lift kits, this y-pipe features 2 x 2" into 1 x 2 1/2" stainless steel mandrel-bent tubing with OE flanges and 100-percent hand-MIG welded construction that resists corrosion. To eliminate dead space that can cause turbulence and hindering flow that formed collectors are prone to produce, a true merged collector is used. The smooth curves and increased diameter helps remove restriction and keeps exhaust gas flowing smoothly for improved performance and durability on and off the trails. All components are supplied for a hassle-free installation with no modifications necessary.

Additional Information

Twisted Steel 2 IN to 2-1/2 IN 409 Stainless Steel Street Series Y-Pipe Jeep Wrangler (JK) 12-18 V6-3.6L

Product Overview

aFe Power’s new Twisted Steel header delivers more horsepower and torque while outflowing the factory exhaust manifold. The header is constructed of 14-gauge 409 SS tubing with a 1/2” thick head flange to ensure a leak free seal. To eliminate dead space that can cause turbulence and hindering flow that formed collectors are prone to produce, a true merged collector and optimized tube lengths are used for true pulse control technology improving flow and performance. 100% hand TIG-welded construction ensures optimal strength and durability. The smooth curves and increased diameter of this header helps remove restriction and keeps exhaust gas flowing smoothly for improved performance and durability on and off the trails. All components are supplied for a hassle-free installation with no modifications necessary.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 100% Stainless Steel
• 100% TIG-Welded
• 2 Year Limited Warranty
• 50 State Legal
• Merged Collector
• OE Flanges

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Exhaust Pipe, Twisted Steel Y-Pipe, Stainless Steel, Natural, Jeep, Each

Erase the dead zone for greater power and less turbulence with Twisted Steel Y-pipes from aFe. The fantastic fit and finish on the mitered mandrel-bent stainless steel pipes allow for a transition from 3 in. to 3.5 in. collector, while high-caliber flanges and band clamps aid in an easy installation process to your stock exhaust. The 400 CPSI catalytic converters increase flow and help prevent "check engine" issues created during combustion.