BMW E36 M3 LS1 Swap

CT4-V Blackwing owners, how does 28-30 additional rear wheel horsepower and NO CEL sound? Our new severe duty downpipes by ARH deliver just that and more! The incredible gains come with no additional changes other than the swap. Manufactured using heavy duty 5” G-Sport cats, this kit can handle whatever performance potential is your goal, most especially if tuning of any kind is planned. Our downpipes are a direct bolt-in with no modifications required. For more information, please feel free to reach us. Product features on this system includes: 100% Made in the USA - Never Outsourced Made entirely of 304 stainless steel 3/8" thick laser-cut flanges for a warp-free seal Hand-ported TIG welded inlets Catted systems feature 400 cell G-Sport severe duty catalytic converters for extreme durability Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.

American Racing Headers' long systems for the 1999-2006 2500 GM Truck were designed to bolt-on to your factory axle-back or any aftermarket axle-back. Some modification may be required. If you have any question about fitment or connection point, please do not hesitate to ask our tech team! Here Product features on this system includes: 100% Made in the USA - Never Outsourced Made entirely of 304 stainless steel 3/8" thick laser-cut flanges for a warp-free seal Hand-ported TIG welded inlets Optimized primary tube routing for superior fit and performance Merge collectors with scavenger spikes Catted systems feature severe duty 300 cell catalytic converters with the option to upgrade to 400 cell G-Sport catalytic converters. Call before ordering to upgrade. Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.

New from American Racing Headers are our 1955-1957 Tri-Five Chevy Small Block Headers. Designed with durable .065 wall tubing and your choice of 1-3/4" or 17/8" primaries. Pair these headers with an ARH Tri-Five Header-Back Exhaust System by clicking here . We are proud to build these systems at American Racing Headers in our Research and Development facility with aerospace-grade T-304 stainless steel. Every piece of our products are made here with 100% USA sourced materials! Through this process we are able to offer lifetime warranty on all our systems against rust, corrosion and manufacturing defects. Product features on this system includes: 100% Made in the USA - Never Outsourced Made entirely of 304 stainless steel 3/8" thick laser-cut flanges for a warp-free seal Hand-ported TIG welded inlets Optimized tube routing for superior fit and performance Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.