Find the parts you need
Flowtech
Flowtech UK – Affordable Headers & Exhaust Systems Flowtech offers a wide range of performance exhaust components designed for enthusiasts who want power and sound at a competitive price point. With a focus on easy fitment and budget-friendly performance, Flowtech...
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Flowtech 12100FLT
Flowtech Long Tube Header - Black Paint
Breaking in an engine with ceramic coated headers...
Part TypeExhaust Header£313.99£176.99 inc VAT£147.49 ex VAT -
Flowtech 12102FLT
Flowtech Long Tube Header - Black Paint
Breaking in an engine with ceramic coated headers...
Part TypeExhaust Header£272.99£224.99 inc VAT£187.49 ex VAT -
Flowtech 11730FLT
Flowtech LS Swap Exhaust Manifolds - Natural Cast Finish
Multi-fit - 2.25 in. Outlet
Part TypeExhaust Manifold£283.00£239.99 inc VAT£199.99 ex VAT -
Flowtech 11706FLT
Flowtech Tight Fit Block Hugger Headers - Black Paint
Chevy LS Motor, Tube Size 1-5/8", Collector Size...
Part TypeExhaust Header£263.99£142.00 inc VAT£118.33 ex VAT -
Flowtech 11705-7FLT
Flowtech Block Hugger Header - Stainless Steel
Block Hugger Header: Small Block Chevy with D-Port...
Part TypeExhaust Header£575.99£473.99 inc VAT£394.99 ex VAT -
Flowtech 11706-1FLT
Flowtech Tight Fit Block Hugger Headers - Ceramic Coated
Chevy LS Motor, Tube Size 1-5/8", Collector Size...
Part TypeExhaust Header£577.00£286.00 inc VAT£238.33 ex VAT -
Flowtech 11704-RFLT
Flowtech Rams Horn Exhaust Manifolds - Natural "Uncoated"
Manifold to head bolts not included. Header Dimensions:...
Part TypeExhaust Manifold£436.99£233.99 inc VAT£194.99 ex VAT -
Flowtech 11587FLT
Flowtech Upright Headers
GM 2.8/3.1/3.4L V6, D-Port Upright headers 1-1/2" primary,...
Part TypeExhaust Header£262.00£142.00 inc VAT£118.33 ex VAT -
Flowtech 11704-2FLT
Flowtech Rams Horn Exhaust Manifolds - Chrome
Manifold to head bolts not included. Header Dimensions:Width...
Part TypeExhaust Manifold£577.00£286.00 inc VAT£238.33 ex VAT -
Flowtech 11702-2FLT
Flowtech Lakester Headers - Chrome Finish
Measurements: Front (first) tube to end of collector...
Part TypeExhaust Header£995.99£487.00 inc VAT£405.83 ex VAT -
Flowtech 11579FLT
Flowtech Shorty LS Swap Headers - Polished
Header bolts not included. M8 x 1.25 x...
Part TypeExhaust Header£373.00£307.00 inc VAT£255.83 ex VAT -
Flowtech 11576FLT
Flowtech Shorty Headers - Polished
Header Bolts are Not Included and Sold Separately....
Part TypeExhaust Header£337.99£277.99 inc VAT£231.66 ex VAT -
Flowtech 11578FLT
Flowtech Shorty LS Swap Headers - Natural
Header bolts not included. 8M x 1.25 x...
Part TypeExhaust Header£358.99£196.99 inc VAT£164.16 ex VAT -
Flowtech 11585FLT
Flowtech Upright Headers
GM 2.8/3.1/3.4L V6, Round Port Upright Headers 1-1/2"...
Part TypeExhaust Header£256.99£211.99 inc VAT£176.66 ex VAT -
Flowtech 11553FLT
Flowtech Upright Headers
Big Block Chevy 2-1/4" Upright Headers with 4"...
Part TypeExhaust Header£646.99£314.99 inc VAT£262.49 ex VAT -
Flowtech 11575FLT
Flowtech Shorty Headers - Natural Finish
Header Bolts are Not Included and Sold Separately....
Part TypeExhaust Header£319.99£262.99 inc VAT£219.16 ex VAT -
Flowtech 11572FLT
Flowtech Small Block Chevy Turbo Headers - Natural Finish
Small Block Chevy Turbo Header (Up and Forward)...
Part TypeExhaust Header£490.00£403.99 inc VAT£336.66 ex VAT -
Flowtech 11573FLT
Flowtech Small Block Chevy Turbo Headers - Polished Finish
Small Block Chevy Turbo Header (UP and Forward)...
Part TypeExhaust Header£595.00£490.00 inc VAT£408.33 ex VAT -
Flowtech 11569FLT
Flowtech Small Block Chevy Turbo Headers - Natural Finish
Small Block Chevy Turbo Header (UP and Forward)...
Part TypeExhaust Header£490.00£403.99 inc VAT£336.66 ex VAT -
Flowtech 11551FLT
Flowtech Upright Headers
Big Block Chevy 2-1/4" Upright Headers with 4"...
Part TypeExhaust Header£572.99£307.00 inc VAT£255.83 ex VAT -
Flowtech 11549FLT
Flowtech Shorty LT Headers - Polished Finish
Fits 2014-2015 Chevy/GMC Silverado/Sierra/Tahoe/Yukon 1-5/8" Shorty Header for...
Part TypeExhaust Header£470.99£388.00 inc VAT£323.33 ex VAT -
Flowtech 11545FLT
Flowtech Upright Headers
Gaskets and hardware sold separately.
Part TypeExhaust Header£425.99£350.99 inc VAT£292.49 ex VAT -
Flowtech 11546FLT
Flowtech Upright Headers
Gaskets and hardware sold separately.
Part TypeExhaust Header£425.99£350.99 inc VAT£292.49 ex VAT -
Flowtech 11547FLT
Flowtech Shorty LT Headers - Natural Finish
Fits 2014-2015 Chevy/GMC Silverado/Sierra/Tahoe/Yukon 1-5/8" Shorty Header for...
Part TypeExhaust Header£425.99£350.99 inc VAT£292.49 ex VAT -
Flowtech 11540FLT
Flowtech LS Turbo Headers-Polished
LS Turbo Headers (Up and forward) 1-7/8" 304SS...
Part TypeExhaust Header£425.99£350.99 inc VAT£292.49 ex VAT
Flowtech UK – Affordable Headers & Exhaust Systems
Flowtech offers a wide range of performance exhaust components designed for enthusiasts who want power and sound at a competitive price point. With a focus on easy fitment and budget-friendly performance, Flowtech headers and exhaust kits are a favourite for hot rodders and muscle car builders worldwide.
Why Flowtech?
- Value-Driven Performance: Affordable systems that still deliver real horsepower and torque.
- Simple Installation: Direct-fit designs make it easy to upgrade your system in a weekend.
- Wide Coverage: Products available for classic muscle cars, modern trucks, and custom builds.
Flowtech Product Range
- Headers: Long-tube and shorty designs to free up horsepower.
- Cat-Back Kits: Bolt-on systems to improve tone and flow.
- Exhaust Accessories: Gaskets, clamps, and hardware for installation.
Flowtech in the UK
Billy’s Speed Shop supplies Flowtech exhausts in the UK, making it easy to upgrade without costly overseas imports. Whether you’re restoring a classic or adding power to a modern V8, Flowtech offers straightforward, affordable solutions.
Popular Flowtech UK Products
- Flowtech Long-Tube Headers
- Shorty Headers
- Cat-Back Systems
- Flowtech Exhaust Hardware
Get bolt-on performance and sound at an unbeatable price – shop Flowtech UK today at Billy’s Speed Shop.



