Hello all! We have just completed our 3D Modeled CAST 304 Stainless merge collectors. Since they are CAST there are no welds. These are available in T3 or T4 bolt patterns, and are 1Â½ Schedule 40 compatible. Start making your own turbo manifolds. Take the hardest part out of the equation. This pre-made collector will fit 1Â½ schedule 40 bends and allow you to be weld them together. HondaSwap.com Special 119.99 Full Specs 2 Versions T3 or T4 ( Please pick correct version on site. ) T3 or T4 Bolt Pattern ( or both ) 3D Solid Modeled & Completely Cast 304 Stainless ( no welds ) 1Â½ Schedule 40 compatible 3/8th Thick flange Reinforcing ribs between each runner Capable of holding 60+ PSI Universal Application - Can be used to make a manifold for any car. To order simply click the link below and be sure to enter the coupon code upon checkout. This will bring it down to 119.99 Click to Place Order! Coupon Code - 03a9c6 Deal ends 2/29/08 If you have any questions feel free to ask.