This is a bolt on solution to increase airflow from your intercoolers to your hemi or rs4 throttle body. Our bi pipe comes complete with all you see in the photos, vband clamp modified to fit over power steering pump, vband gasket, vibrant performance couplers and map sensor addapter along with hardware for stock as well as 3/4 bar sensors. Each piece is Tig welded by hand and test fit to a 2.7 engine to ensure fitment prior to shipping. Minor modifications to your timing covers may be needed to run this product. Please allow for a 1-2 week lead time post purchase, each piece is hand crafted and made to order price includes shipping.