Thumper Systems - Small Block Chevy

Thumper Power - Black Small Block Exhaust System w/Shift Bracket
Your Price:
$1,744.99

Thumper Power - Black Small Block Exhaust System

421-TPS82KBS

Thumper Power - Black Small Block Exhaust System w/Shift Bracket

Here's an easy lightweight replacement for that heavy cast iron stock system. This entry level performance system is designed for stock engine application seeking a slight performance increase as well as weight reduction. Not silent choice compatible.

This kit includes the shift bracket.


Thumper Power Small Block Manifold & Riser Kit Black
Your Price:
$1,719.99

Thumper Power Small Block Manifold & Riser Kit Black

421-02-8302

Thumper Power Small Block Manifold & Riser Kit Black (Sold in pairs)
Not compatible with - SoundAdvantage - Silent Choice - Corsa Quick & Quiet.
Use PowerFlow Manifolds with SA Risers
To view and download the PDF line drawing Left Side  CLICK HERE

To view and download the PDF line drawing Right Side  CLICK HERE

To view and download the PDF water hose diagram  CLICK HERE

Thumper Power Small Block Manifold & Riser Kit Black (Sold in pairs)
IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater. Available with optional hard anodize for corrosion protection (prior to powder coat).

Shift and ECM-EFI brackets are available, go to "Thumper Power Accessories" or "Related Products" at the right side of your screen.

  Manifold Kit  
QTY Description P/N
2 TP-Small Block Manifolds (Black) 02-1005
12 3/8-16 x 4 3/4" Bolts 08-010806232
8 3/8-16 x 2 1/2" Studs 08-130806141
8 3/8-16 Nuts 08-200806001
20 3/8" AN S/S Washers 08-100800001
2 3/4 NPT to 1" Hose 90° Fittings 09-2016
4 3/4 NPT Pipe Plugs Brass 09-2017
2 Riser Gaskets 11-1007
2 Manifold Gaskets 11-1009
4 Compression Seals 11-4003
     
  Riser Kit  
     
2 TP Risers (Black) 02-1007
2 3/4 NPT Pipe Plugs Brass 09-2017
2 3/4 NPT to 1" Hose Straight 09-2015

Thumper Power Small Block Manifolds (Black)
Your Price:
$1,129.99

Thumper Power Small Block Manifolds (Black)

421-02-8037

Thumper Power Small Block Manifolds (Black)

Thumper Power Small Block Manifolds (Black)(Sold in pairs)

IMCO's affordable alternative to stock cast iron Chevy manifolds. Our all cast aluminum manifolds will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater. Kits are available for Chevy big block, small block, and V-6 motors. Available in black powder coated, optional hard anodized for corrosion (prior to powder coat), and polished. (SOLD IN PAIRS)

Shift, EFI, or ECM brackets sold separately.

  Kit Includes  
QTY Description P/N
2 TP-Small Block Manifolds (Black) 02-1003
12 3/8-16 x 4 3/4" Bolts 08-010806232
8 3/8-16 x 2 1/2" Studs 08-130806141
8 3/8-16 Nuts 08-200806001
20 3/8" AN S/S Washers 08-100800001
2 3/8 NPT to 1" Hose 90° Fittings 09-2016
6 3/4 NPT Pipe Plugs Brass 09-2017
2 Manifold Gaskets 11-1009
2 Riser Gaskets 11-1007
4 Compression Seals 11-4003

Thumper Power - Polished Small Block Exhaust System w/Shift Bracket
Your Price:
$1,824.99

Thumper Power - Polished Small Block Exhaust System

421-TPS82KPS

Thumper Power - Polished Small Block Exhaust System w/Shift Bracket

Here's an easy lightweight replacement for that heavy cast iron stock system. This entry level performance system is designed for stock engine application seeking a slight performance increase as well as weight reduction. Not silent choice compatible.


Thumper Power Small Block Manifold & Riser Kit Polished
Your Price:
$1,799.99

Thumper Power Small Block Manifold & Riser Kit Polished

421-02-8308

Thumper Power Small Block Manifold & Riser Kit Polished (Sold in pairs)
Not compatible with - SoundAdvantage - Silent Choice - Corsa Quick & Quiet.
Use PowerFlow Manifolds with SA Risers
To view and download the PDF line drawing Left Side  CLICK HERE

To view and download the PDF line drawing Right Side  CLICK HERE

To view and download the PDF water hose diagram  CLICK HERE

Thumper Power Small Block Manifold & Riser Kit Polished (Sold in pairs)
IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater.

Shift and ECM-EFI brackets are available, go to "Thumper Power Accessories" or "Related Products" at the right side of you screen.

  Manifold Kit  
QTY Description P/N
2 TP-Small Block Manifolds (Polished) 02-1004
12 3/8-16 x 4 3/4" Bolts 08-010806232
8 3/8-16 x 2 1/2" Studs 08-130806141
8 3/8-16 Nuts 08-200806001
20 3/8" AN S/S Washers 08-100800001
2 3/4 NPT to 1" Hose 90° Fittings 09-2016
4 3/4 NPT Pipe Plugs Brass 09-2017
2 Manifold Gaskets 11-1009
2 Riser Gaskets 11-1007
4 Compression Seals 11-4003
     
  Riser Kit  
     
2 TP Risers (Polished) 02-1008
2 3/4 NPT Pipe Plugs Brass 09-2017
2 3/4 NPT to 1" Hose Straight 09-2015

Thumper Power Small Block Manifolds (Polished)
Your Price:
$1,169.99

Thumper Power Small Block Manifolds (Polished)

421-02-8039

Thumper Power Small Block Manifolds (Polished)

Thumper Power Small Block Manifolds (Polished) (Sold in pairs)

IMCO's affordable alternative to stock cast iron Chevy manifolds. Our all cast aluminum manifolds will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater. Kits are available for Chevy big block, small block, and V-6 motors. Available in black powder coated, optional hard anodized for corrosion (prior to powder coat), and polished. (SOLD IN PAIRS)

Shift, EFI, or ECM brackets sold separately.

  Kit Includes  
QTY Description P/N
2 TP-Small Block Manifolds (Black) 02-1004
12 3/8-16 x 4 3/4" Bolts 08-010806232
8 3/8-16 x 2 1/2" Studs 08-130806141
8 3/8-16 Nuts 08-200806001
20 3/8" AN S/S Washers 08-100800001
2 3/8 NPT to 1" Hose 90° Fittings 09-2016
6 3/4 NPT Pipe Plugs Brass 09-2017
2 Manifold Gaskets 11-1009
2 Riser Gaskets 11-1007
4 Compression Seals 11-4003