Description: Stage 1 = Remove EGR walls behind throttle bodyStage 2 = Stage 1 plus open up throttle body openings up to 58mmStage 3 = 1 and 2 plus enlarge runner openings up to 42mm or siamesing them additional radius and blending all around Stage 4 = All above plus open up throttle body to one single large opening for maximum flow 🌬️💨 Professional Porting service for your TPI plenum that yields up to 10ft lb torque and horsepower Price listed is for stage 4 full porting which includes opening up throttle body entry for your choice of 52mm 58mm or single large entry and removing EGR walls and additional blending, opening up all eight runner entries for large tube runners or siamesing them aswell as reworking and radiusing all entries angles. We also port, enlarge, and restore stock TPI runners to 38.5mm for additional flow and an additional 10ft lb. torque and horsepower as well as the the stock base for up to 25 more see links below https://www.ebay.com/itm/145209452255 https://www.ebay.com/itm/145588072479 Send your stock TPI plenum and you will receive the SAME plenum back Can also port my own core plenum and ship it out for those that want no down time or want to keep there originals contact for more info CONTACT FOR BEST OFFERS AND SPECIAL DISCOUNTShttps://www.ebay.com/usr/tpilt4#tab1
Price: 219.99 USD
Location: NJ
End Time: 2024-04-07T03:30:55.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 14 Days
Refund will be given as: Money Back
Mounting Style: Bolt-On
Items Included: Porting
Color: Silver
Cylinder Head Type: In-line Cross-flow
Material: Aluminum
Placement on Vehicle: Front
Fuel Type: Gasoline
Brand: Chevrolet
Type: Intake Manifold
Engine Size: 350 in³
Features: Ported, Highflow
Country/Region of Manufacture: United States
Universal Fitment: Yes
Performance Part: Yes
