1. ±4mm Adjustable flanges for stroker or narrower engines.

2. Sport muffler for engine up to 125 HP.

3. SuperFlow muffler for engine up to 150HP.

4. 100% #304 stainless steel muffler, tail pipes and headers.

5. Build in M18x1.5 nuts for connecting original O2 sensor.

6. Fiberglass fire sleeve on #2 and #4 header pipes were designed to protect fresh air hoses.

7. Use original 111 298 051A gasket for heater box. 111 298 051A gasket sold separately.

8. Tail Pipe is 50mm O.D. with 35mm I.D.

Return Policy Customers who wish to return the item due to any reasons other than the item being defective, will need to proceed in the following steps. 1. Request shipping label from Vintage Speed to return the item (shipping cost will be quoted to customer prior to proceeding)2. Once item is shipped and returned to Vintage Speed, item will be verified to see it is in the same condition as when shipped to customer. Please note item needs to be unused and in the original packaging. 3. Once item condition is verified, a restocking fee of 25% will be applied to the total order value amount. ALL PRICES ARE IN USD