GrimmSpeed HiFlow Exhaust Manifold Crosspipe Subaru WRX 02-05/08+, ALL STi/LGT
The new GrimmSpeed Subaru HiFlow Crosspipe is made of 304 SS(flanges, flex, tubing) and has a pipe-wall thickness of 14 Gauge, this is the most "heavy-duty" pipe you will find. Many other pipes use cheap thin steel and are marketed as "super light weight", not us. The one of a kind Triple Layer Flex Joint is not located in the bend, which adds to the life expectancy of the flex section. This unit is built from 1.92" 304 Stainless Steel tubing, maximizing exhaust flow from cylinders 1 and 4 to the manifold collector for faster turbo response.
Customers have seen up to 15 HP INCREASE when combined with our Ported Subaru Exhaust Manifold. The pipe by itself should net around 5-8 HP INCREASE.
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If you simply don't like or no longer need a product, a return within 30 days of delivery is suitable. Orders that are 31+ days past the delivery date cannot be returned. AWDTuning charges a restocking fee of 15% on all accepted returns if the item has not been installed. Parts must be returned in their original packaging and in new condition. Products that have been installed MAY NOT be returned. Products with custom paint or finishes CAN NOT be returned. We will not cover installation costs, prep costs, painting costs, or any other costs associated with the final installation of a product. The customer is responsible to validate proper working condition that purchase item will work with your application before installation.