First order? Use FIRSTORDER for 5% off.
×

Questions? E-mail us:

sales@allianceracing.com

0 My Cart: $0.00

Your cart is currently empty.

Continue shopping
Toggle menu
Alliance Racing
0
aFe Twisted Steel Header & Connection Pipe Combo GM Diesel Trucks 15-16 V8-6.6L (td) LML - 48-34137
aFe Twisted Steel Header & Connection Pipe Combo GM Diesel Trucks 15-16 V8-6.6L (td) LML - 48-34137
Click to zoom in
Load image into Gallery viewer, aFe Twisted Steel Header & Connection Pipe Combo GM Diesel Trucks 15-16 V8-6.6L (td) LML - 48-34137
Load image into Gallery viewer, aFe Twisted Steel Header & Connection Pipe Combo GM Diesel Trucks 15-16 V8-6.6L (td) LML - 48-34137
Buyer Confidence

Shop With Confidence

Clear availability, helpful support, and customer-first policies before you check out.

  • Competitive Pricing

    We will beat most prices!

  • Questions?

    Contact us at sales@allianceracing.com

  • Free Shipping

    Free shipping on orders over $300!

aFe Twisted Steel Header & Connection Pipe Combo GM Diesel Trucks 15-16 V8-6.6L (td) LML - 48-34137

Exhaust, Mufflers & Tips Headers & Manifolds
aFe
afe48-34137
Special order
September 5, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$2,461.00
Upgrade or replace your LML’s manifolds, up-pipes, and down-pipe with this all-in-one, bolt-on kit, designed to open up your exhaust flow for maximum performance. The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2" and 3" mandrel-bent 304 brush finished stainless steel tubing. Two exhaust gas temperature (EGT) ports are provided with this system. A 1/8” NPT EGT probe port is incorporated into the driver’s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment. A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal. Features & Benefits Factory Style Flanges, Straightforward Connections, and Quality Hardware for a Leak-Free Seal Includes Heavy-Duty Gauge, .120 Wall Headers, .120 Wall Up-Pipes, and .065 Wall Down-Pipe Optimized Tube Lengths, Smooth Transition Bends, and Mitered Collectors Improve Flow Includes 1/8" NPT and M14 Exhaust Gas Temperature Ports Brushed Finish 304 Stainless Steel Construction
aFe Power Twisted Steel Long Tube Header & Connection Pipes (Street Series) 01-16 Nissan Patrol - 48-36105-YC
aFe Power Twisted Steel Long Tube Header & Connection Pipes (Street Series) 01-16 Nissan Patrol - 48-36105-YC
$2,689.00
aFe Power Twisted Steel Down Pipe 3in 304 Stainless Steel w/ Cat 15-18 VW Golf R MKVII L4-2.0L (t) - 48-36411-1YC
aFe Power Twisted Steel Down Pipe 3in 304 Stainless Steel w/ Cat 15-18 VW Golf R MKVII L4-2.0L (t) - 48-36411-1YC
$2,036.00
aFe Twisted Steel Header & Connection Pipe Combo GM Diesel Trucks 15-16 V8-6.6L (td) LML - 48-34137
SKU: afe48-34137
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

Upgrade or replace your LML’s manifolds, up-pipes, and down-pipe with this all-in-one, bolt-on kit, designed to open up your exhaust flow for maximum performance. The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2" and 3" mandrel-bent 304 brush finished stainless steel tubing. Two exhaust gas temperature (EGT) ports are provided with this system. A 1/8” NPT EGT probe port is incorporated into the driver’s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment. A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal.

Features & Benefits

  • Factory Style Flanges, Straightforward Connections, and Quality Hardware for a Leak-Free Seal
  • Includes Heavy-Duty Gauge, .120 Wall Headers, .120 Wall Up-Pipes, and .065 Wall Down-Pipe
  • Optimized Tube Lengths, Smooth Transition Bends, and Mitered Collectors Improve Flow
  • Includes 1/8" NPT and M14 Exhaust Gas Temperature Ports
  • Brushed Finish 304 Stainless Steel Construction
Read More
Read Less

Shipping on new purchases

In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

Your cart

×